CLAUDIO GIOVANNI DE ANGELIS – COORDINATORScientific Director – Gastroenterology, Digestive Endoscopy and Clinical Nutrition UnitKoelliker HospitalTurin, Italy THOMAS TOGLIANI – EDITOR IN CHIEFChief of Digestive Endoscopy UnitBorgo Trento University HospitalVerona, Italy PAOLO BOCUS – SENIOR EDITORChief Gastroenterology and Endoscopy UnitIRCCS Sacro Cuore – Don Calabria Ospedale Classificato e Presidio Ospedaliero Accreditato – Regione VenetoNegrar di Valpolicella (VR), Italy SALIH TOKMAKProfessor of Gastroenterology and Head of Department of Internal Medicine Istanbul Aydin University Istanbul, Turkey EN-LING LEUNG KIConsultant Gastroenterologist specialized in Interventional Endoscopy, Swiss board certified (FMH)Hôpital de La TourGeneva, Switzerland PABLO CORTEGOSOConsultant / PhD CandidateUniversity Hospital of Parma / University of Southern Denmark Parma, Italy DORA ILLESSpecialist in Internal Medicine and Gastroenterology / Assistant ProfessorUniversity of Szeged Department of Medicine Center of Gastroenterology Szeged, Hungary MARCO SACCOGI Endoscopy ConsultantS.C. Gastroenterologia U, AOU Città della Salute e della Scienza di Torino Turin, Italy VOICU REDNIC… GIACOMO RANDOActing Director – Gastroenterology and Digestive Endoscopy Unit Department of Medicine – “Santo Spirito” Hospital Pescara, Italy GIAN LORENZO SCRISCIChief Resident in “S. Timoteo” and “Cardarelli” Hospitals Università degli Studi “G. D’Annunzio”, Chieti, Italy ASReM, Azienda Sanitaria Regionale del MoliseTermoli and Campobasso, Italy MICOL BERNUZZIGastroenterologist and EndoscopistIRCCS Sacro Cuore Don Calabria Negrar di Valpolicella (VR), Italy FRANCESCO DECEMBRINOChief – Diagnostic and Interventional Digestive Endoscopy UnitEnte Ecclesiastico Ospedale Generale Regionale “F. Miulli” Acquaviva delle Fonti (BA), Italy