Policlinico Paolo Giaccone, Palermo, Italy
University of Palermo, Palermo, Italy
University of Hong Kong, Hong Kong, China
Bordeaux University Hospital, Pessac, France
McGill University Health Centre, Montreal, Canada
University of Milan, Milan, Italy
Università degli Studi di Milano, Fondazione Ospedale Policlinico Ca Granda IRCCS, Milan, Italy
Fondazione Policlinico Gemelli IRCCS, Università Cattolica S. Cuore, Rome, Italy
AOU Città della Salute e della Scienza University of Torino, Torino, Italy, Torino, Italy
Linköping University, Linköping, Sweden
Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy
University of Bologna, Bologna, Italy
University of Modena, Modena, Italy
University of Florence, Florence, Italy
Humanitas University, Pieve Emanuele, Italy
Università Politecnica delle Marche, Ancona, Italy
University of Salerno, Salerno, Italy
Inselspital, University Hospital of Berne, Berne, Switzerland
University of Sydney, Sidney, Italy
University of Turin, Torino, Italy
Catholic University Of Sacred Heart, Rome, Rome, Italy
Inselspital, DBMR, university of Berm, Bern, Switzerland
The Chinese University of Hong Kong, Hong Kong, Italy
Istituto Clinico Humanitas IRCCS, Rozzano, Italy
UOC Gastroenterologia Ed Epatologia, Palermo, Italy
University of Palermo Italy 48.37, Palermo, Italy