Chronic Pancreatitis Prognosis Score (COPPS): preliminary results from a prospective multicenter, international validation study - Garbe, A; Mahajan, UM; Kohlmann, T; Goni, E; Budde, C; Martinez-Moneo, E; Shimosegawa, T; Forsmark, C; Garg, P; Gomez, A; Stigliona, S; Conwell, D; Lerch, MM; Mayerle, J; Beyer, G (Zeitschrift für Gastroenterologie, 2019)