[1] CUNY, Mt Sinai Med Ctr, Dept Med, Div Gastroenterol, New York, NY 10029 USA
[2] Tacoma, Washington, DC USA
[3] Hop Edouard Herriot, Lyon, France
[4] Technion Israel Inst Technol, Rambam Med Ctr, Haifa, Israel
[5] S Giovanni AS Hosp, Turin, Italy
[6] CHU Nancy, Hop Brabois, Nancy, France
[7] Royal Prince Alfred Hosp, AW Morrow Gastroenterol & Liver Ctr, Sydney, NSW, Australia
[8] McGill Univ, Ctr Hlth, Montreal, PQ, Canada
[9] Hop Europeen Georges Pompidou, Paris, France
[10] Mayo Clin, Rochester, MN USA
[11] Univ Milan, IRCCS Osped Maggiore Policlin, Milan, Italy
[12] Dept Gastroenterol, Charite Campus Virchow, Cent Interdisciplinary Endoscopy Unit, Berlin, Germany
[13] Mt Sinai Med Ctr, New York, NY 10029 USA