DOI:
        10.1055/s-00000015
      
      
        European Journal of Pediatric Surgery
      
      
        
          
            Issue 01 ·
           Volume 27 ·
           February 2017
            
          
           DOI: 10.1055/s-007-33275 
          
          
          
  
    
      
    
  
  
        
        
  
  
    
  
  
  
    
  
  
  
    
  
  
  
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
        
          
            
              
              
              
                
                  
                    
                    
                      
                          
                          
                            
                            Erratum
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        e1
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Dingemann, Jens; 
              
            
          
            
              
              Szczepanski, Rüdiger; 
              
            
          
            
              
              Ernst, Gundula; 
              
            
          
            
              
              Thyen, Ute; 
              
            
          
            
              
              Ure, Benno; 
              
            
          
            
              
              Goll, Melanie; 
              
            
          
            
              
              Menrath, Ingo: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Editorial
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        001
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Wester, Tomas; 
              
            
          
            
              
              Ure, Benno: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Original Article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        002
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Gould, Joanna L.; 
              
            
          
            
              
              Sharp, Ronald J.; 
              
            
          
            
              
              Peter, Shawn David St.; 
              
            
          
            
              
              Snyder, Charles L.; 
              
            
          
            
              
              Juang, David; 
              
            
          
            
              
              Aguayo, Pablo; 
              
            
          
            
              
              Fraser, Jason D.; 
              
            
          
            
              
              Holcomb, George W.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        007
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Zani, Augusto; 
              
            
          
            
              
              Lauriti, Giuseppe; 
              
            
          
            
              
              Li, Qi; 
              
            
          
            
              
              Pierro, Agostino: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        012
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Galea, Julie; 
              
            
          
            
              
              Burnand, Katherine M.; 
              
            
          
            
              
              Dawson, Fiona L.; 
              
            
          
            
              
              Sinha, Chandrasen K.; 
              
            
          
            
              
              Rex, Dean; 
              
            
          
            
              
              Okoye, Bruce O.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        016
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Triana, Paloma; 
              
            
          
            
              
              Dore, Mariela; 
              
            
          
            
              
              Romo, Martha Muñoz; 
              
            
          
            
              
              Gomez, Javier Jimenez; 
              
            
          
            
              
              Galán, Alba Sánchez; 
              
            
          
            
              
              Hernandez, Francisco; 
              
            
          
            
              
              Moreno, Ane M. Andres; 
              
            
          
            
              
              Encinas, Jose Luis; 
              
            
          
            
              
              Martinez, Leopoldo; 
              
            
          
            
              
              Santamaria, Manuel Lopez: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        020
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Ohno, Yasuharu; 
              
            
          
            
              
              Fujimoto, Tamotsu; 
              
            
          
            
              
              Shibata, Yukari: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        026
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Takahashi, Toshiaki; 
              
            
          
            
              
              Friedmacher, Florian; 
              
            
          
            
              
              Zimmer, Julia; 
              
            
          
            
              
              Puri, Prem: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        032
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Acker, Shannon N.; 
              
            
          
            
              
              Hall, Brianne; 
              
            
          
            
              
              Hill, Lauren; 
              
            
          
            
              
              Partrick, David A.; 
              
            
          
            
              
              Bensard, Denis D.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        036
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Sukhotnik, Igor; 
              
            
          
            
              
              Bitterman, Sivan; 
              
            
          
            
              
              Shahar, Yoav Ben; 
              
            
          
            
              
              Pollak, Yulia; 
              
            
          
            
              
              Bitterman, Nir; 
              
            
          
            
              
              Halabi, Salim; 
              
            
          
            
              
              Coran, Arnold G.; 
              
            
          
            
              
              Bitterman, Arie: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        044
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Couselo, Miguel; 
              
            
          
            
              
              Ibáñez, Vicente; 
              
            
          
            
              
              Lluna, Javier; 
              
            
          
            
              
              Vila, Juan José: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        050
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Donoso, Felipe; 
              
            
          
            
              
              Lilja, Helene Engstrand: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        056
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Dibbern, Christian Bakholdt; 
              
            
          
            
              
              Rose, Morten; 
              
            
          
            
              
              Ellebæk, Mark Bremholm; 
              
            
          
            
              
              Qvist, Niels: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        061
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Dingemann, Jens; 
              
            
          
            
              
              Szczepanski, Rüdiger; 
              
            
          
            
              
              Ernst, Gundula; 
              
            
          
            
              
              Thyen, Ute; 
              
            
          
            
              
              Ure, Benno; 
              
            
          
            
              
              Goll, Melanie; 
              
            
          
            
              
              Menrath, Ingo: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        068
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Zimmer, Julia; 
              
            
          
            
              
              Takahashi, Toshiaki; 
              
            
          
            
              
              Hofmann, Alejandro Daniel; 
              
            
          
            
              
              Puri, Prem: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        074
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Cozzi, Denis A.; 
              
            
          
            
              
              Ceccanti, Silvia; 
              
            
          
            
              
              Cozzi, Francesco: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        081
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Acker, Shannon N.; 
              
            
          
            
              
              Wathen, Beth; 
              
            
          
            
              
              Roosevelt, Genie E.; 
              
            
          
            
              
              Hill, Lauren R. S.; 
              
            
          
            
              
              Schubert, Anna; 
              
            
          
            
              
              Reese, Jenny; 
              
            
          
            
              
              Bensard, Denis D.; 
              
            
          
            
              
              Kulungowski, Ann M.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        086
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Triana, Paloma; 
              
            
          
            
              
              Dore, Mariela; 
              
            
          
            
              
              Cerezo, Vanesa Nuñez; 
              
            
          
            
              
              Cervantes, Manuel; 
              
            
          
            
              
              Sánchez, Alejandra Vilanova; 
              
            
          
            
              
              Ferrero, Miriam Miguel; 
              
            
          
            
              
              González, Mercedes Díaz; 
              
            
          
            
              
              Lopez-Gutierrez, Juan Carlos: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        091
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Silvaroli, Sara; 
              
            
          
            
              
              Montalembert, Marianne De; 
              
            
          
            
              
              Sauvat, Frédérique; 
              
            
          
            
              
              Brousse, Valentine; 
              
            
          
            
              
              Sarnacki, Sabine; 
              
            
          
            
              
              Irtan, Sabine: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        096
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Zani, Augusto; 
              
            
          
            
              
              Eaton, Simon; 
              
            
          
            
              
              Morini, Francesco; 
              
            
          
            
              
              Puri, Prem; 
              
            
          
            
              
              Rintala, Risto; 
              
            
          
            
              
              Heurn, Ernest van; 
              
            
          
            
              
              Lukac, Marija; 
              
            
          
            
              
              Bagolan, Pietro; 
              
            
          
            
              
              Kuebler, Joachim F.; 
              
            
          
            
              
              Friedmacher, Florian; 
              
            
          
            
              
              Wijnen, Rene; 
              
            
          
            
              
              Tovar, Juan A.; 
              
            
          
            
              
              Hoellwarth, Michael E.; 
              
            
          
            
              
              Pierro, Agostino; 
              
            
          
            
              
              
                
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                
                
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                  
                
                
                  on behalf of the EUPSA Network Office: 
                
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        102
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Catania, Vincenzo Davide; 
              
            
          
            
              
              Muru, Alessia; 
              
            
          
            
              
              Pellegrino, Marcella; 
              
            
          
            
              
              Marco, Erika Adalgisa De; 
              
            
          
            
              
              Paradiso, Filomena Valentina; 
              
            
          
            
              
              Manzoni, Carlo; 
              
            
          
            
              
              Nanni, Lorenzo; 
              
            
          
            
              
              Masini, Lucia: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        109
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Catania, Vincenzo Davide; 
              
            
          
            
              
              Taddei, Alessandra; 
              
            
          
            
              
              Pellegrino, Marcella; 
              
            
          
            
              
              De Marco, Erika Adalgisa; 
              
            
          
            
              
              Merli, Laura; 
              
            
          
            
              
              Manzoni, Carlo; 
              
            
          
            
              
              Nanni, Lorenzo; 
              
            
          
            
              
              Masini, Lucia: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        116
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Dore, Mariela; 
              
            
          
            
              
              Junco, Paloma Triana; 
              
            
          
            
              
              Moreno, Ane Andres; 
              
            
          
            
              
              Cerezo, Vanesa Nuñez; 
              
            
          
            
              
              Muñoz, Martha Romo; 
              
            
          
            
              
              Galán, Alba Sánchez; 
              
            
          
            
              
              Sánchez, Alejandra Vilanova; 
              
            
          
            
              
              Prieto, Gerardo; 
              
            
          
            
              
              Ramos, Esther; 
              
            
          
            
              
              Hernandez, Francisco; 
              
            
          
            
              
              Martínez, Leopoldo Martínez; 
              
            
          
            
              
              Santamaria, Manuel Lopez: