[1] IRCCS AOU San Martino- IST-Istituto Nazionale per la Ricerca sul Cancro,Clinical Epidemiology
[2] IRCCS Giovanni Paolo II,Digestive Endoscopy
[3] General Hospital,Gastroenterology
[4] Bracco Spa,Medical Department
[5] Spedali Civili di Brescia,Digestive Endoscopic Surgery
[6] Policlinico San Giorgio,Endoscopy
[7] Ospedale di Lavagna,Gastroenterology and Digestive Endoscopy
[8] ASL 4 Chiavarese,Endoscopy
[9] IRCCS,Gastroenterology
[10] S. Maria degli Angeli Hospital,Gastroenterology
[11] LARC Private Clinic,Internal Medicine and Gastroenterology
[12] University & Foundation,Gastroenterology and Digestive Endoscopy
[13] IRCCS,Gastroenterology and Digestive Endoscopy
[14] S. G. Moscati Hospital,undefined