[1] IRCCS Ca Granda Osped Maggiore Policlin Fdn, Gastroenterol & Endoscopy Unit, Milan, Italy
[2] Univ Milan, Dept Pathophysiol & Transplantat, Milan, Italy
[3] Politecn Milan, Dept Math, Milan, Italy
[4] Sapienza Univ Rome, Dept Pediat, Rome, Italy
[5] Fdn Policlin Univ Gemelli IRCCS, Internal Med & Gastroenterol, Rome, Italy
[6] AUO Careggi, Dipartimento Med Sperimentale Clin Chirurgia, Florence, Italy
[7] AO Cardarelli, Dept Surg, Naples, Italy
[8] Azienda Osped ARNAS G Brotzu, Gastroenterol, Cagliari, Italy
[9] Villa Sofia Cervello Hosp, IBD Unit, Palermo, Italy
[10] Policlin St Orsola Malpighi, Ctr IICB Sci Med, Bologna, Italy
[11] Humanitas Res Hosp, IBD Unit, Milan, Italy
[12] Policlin St Orsola Malpighi, Dept Internal Med & Gastroenterol, Bologna, Italy
[13] Azienda Osped Pisa, UO Gastroenterol, Pisa, Italy
[14] AMICI Onlus, Associazione Nazl Malattie Infiammatorie Cronic, Milan, Italy
[15] Fdn Casa Sollievo Sofferenza, Gastroenterol Endoscopia Digest, San Giovanni Rotondo, Italy