[1] ARNAS G Brotzu, Dept Med, Gastroenterol Unit, Cagliari, Italy
[2] Pisa Univ Hosp, IBD Unit, Gen Surg & Gastroenterol, Pisa, Italy
[3] Azienda Osped Univ Padova AOUP, Gastroenterol Unit, Padua, Italy
[4] St Anna Hosp, Div Gastroenterol, Ferrara, Italy
[5] Veris Delli Ponti Scorrano Hosp, Scorrano, Italy
[6] Fdn Policlin Univ A Gemelli IRCCS, Digest Dis Ctr CeMAD, Dept Med & Surg Sci, Rome, Italy
[7] Fdn Policlin Univ A Gemelli IRCCS, Digest Dis Ctr CeMAD, Dept Med & Surg Sci, Rome, Italy
[8] Policlin Univ A Gemelli Fdn, Digest Dis Ctr CeMAD, Dept Med & Surg Sci, IRCCS, Rome, Italy
[9] Univ Campania Luigi Vanvitelli, Dept Precis Med, Hepatogastroenterol & Digest Endoscopy Unit, Naples, Italy
[10] Univ Campania Luigi Vanvitelli, Dept Precis Med Hepatogastroenterol, Digest Endoscopy Unit, Naples, Italy
[11] Univ Catanzaro, Dept Hlth Sci, Catanzaro, Italy
[12] Nocera Inferiore SA, Umberto Hosp 1, Div Gastroenterol, Nocera Inferiore, Italy
[13] L Sacco Univ Hosp, Dept Biomed & Clin Sci, Gastroenterol Unit, Milan, Italy
[14] Azienda USL Toscana Nord Ovest Pontedera PI, Div Gastroenterol, Felice Lotti Hosp, Pontedera, PI, Italy
[15] Univ Genoa, IRCCS San Martino Hosp, Dept Internal Med & Med Specialties, Div Gastroenterol, Genoa, Italy
[16] Univ Cagliari, Dept Med Sci & Publ Hlth, Gastroenterol, Cagliari, CA, Italy
[17] A Murri Hosp, Div Gastroenterol, IBD Unit, Fermo, Italy
[18] San Salvatore Hosp, Div Gastroenterol, Pesaro, Italy
[19] T Maresca Hosp Torre Greco NA, Div Gastroenterol, Torre Del Greco, NA, Italy
[20] Infermi Hosp, Div Gastroenterol, Rimini, Italy
[21] Ciaccio Pugliese Hosp, Div Gastroenterol, Catanzaro, Italy
[22] Osped Mare ASL 1, Div Gastroenterol, Naples, Italy
[23] Univ Parma, Dept Med & Surg, Gastroenterol & Endoscopy Unit, Parma, Italy
[24] S Giovanni Addolorata Hosp, Div Gastroenterol, Rome, Italy
[25] St Caterina Novella Hosp, Div Gastroenterol, Galatina, Italy
[26] ULSS 7 Pedemontana, Digest Endoscopy Unit, ,St orso 6, Santorso, Italy
[27] Univ Turin, Dept Med Sci, Div Gastroenterol, IBD Unit AOU Citta Salute & Sci Torino, Turin, Italy
[28] Guglielmo da Saliceto Hosp, Div Gastroenterol, Piacenza, Italy
[29] S Maria Goretti Hosp, Div Digest Endoscopy, Latina, Italy
[30] Osped Castelli Ariccia Roma, Div Gastroenterol, Rome, Italy
[31] S Pertini Hosp, Div Gastroenterol, IBD Unit, Rome, Italy
[32] ARNAS G Brotzu, Med, Gastroenterol Unit, Cagliari, CA, Italy
[33] AO S Camillo Folanini, Div Gastroenterol, Rome, Italy
[34] P Colombo Hosp ASL Roma 6 Velletri Roma, Div Gen Surg, Velletri Roma, Italy
[35] Policlin Univ A Gemelli Fdn, Dept Med & Surg Sci, Digest Dis Ctr CEMAD, Fdn IRCCS, Rome, Italy
[36] Catholic Univ, Sch Med, Rome, Italy