Correspondence to Prof. Mindie H Nguyen, Stanford University Medical Center; Division of Gastroenterology and Hepatology, Stanford University, Palo Alto, CA 94305, USA; mindiehn{at}stanford.edu; Prof.

Dr G Fattovich, Servizio Autonomo Clinicizzato di Gastroenterologia, Dipartimento di Scienze Chirurgiche e Gastroenterologiche, Università di Verona, Via delle Menegone 10, 37134 Verona, Italy ...

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be ...