1
Endoscopy Unit, Institut Clínic de Malalties Digestives i Metabòliques (ICMDM) Hospital
Clínic, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Centro
de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd),
Universitat de Barcelona, Barcelona, Spain
Charles J. Lightdale
2
Department of Medicine, Division of Digestive and Liver Diseases, New York-Presbyterian
Hospital/Columbia University Irving Medical Center, New York, New York, USA
