[1] Westmead Hosp, Sydney, NSW, Australia
[2] Univ Sydney, Sch Med, Sydney, NSW, Australia
[3] Alfred Hosp, Dept Gastroenterol & Hepatol, Melbourne, Vic, Australia
[4] Epworth Med Fdn, Dept Gastroenterol & Hepatol, Melbourne, Vic, Australia
[5] Princess Alexandra Hosp Queensland Hlth, Dept Gastroenterol, Brisbane, Qld, Australia
[6] Lyell McEwin Hosp, Dept Gastroenterol & Hepatol, Adelaide, SA, Australia
[7] Sir Charles Gairdner Hosp, Dept Gastroenterol, Perth, Australia
[8] Ctr Hosp & Univ Sao Joao, Porto, Portugal
[9] Univ Porto, Fac Med, Porto, Portugal
[10] Technion Israel Inst Technol, Rappaport Fac Med, Ambam Heath Care Campus, Haifa, Israel
[11] AZ Delta Roeselare, Roeselare, Belgium
[12] Univ Hosp Ghent, Dept Gastroenterol & Hepatol, Ghent, Belgium
[13] Univ Ghent, Fac Med, Ghent, Belgium