[1] HaEmek Med Ctr, Dept Surg, IL-18101 Afula, Israel
[2] Hadassah Med Ctr, Gastroenterol & Hepatol Inst, Endoscopy Unit, IL-91120 Jerusalem, Israel
[3] Hebrew Univ Jerusalem, Jerusalem, Israel
[4] Univ Med Ctr Utrecht, Dept Gastroenterol & Hepatol, Utrecht, Netherlands
[5] Deenanath Mangeshkar Hosp & Res Ctr, Dept Gastroenterol, Pune, Maharashtra, India
[6] Technion Israel Inst Technol, Rappaport Fac Med, Haifa, Israel