[1] Westmead Hosp, Dept Gastroenterol & Hepatol, Sydney, NSW, Australia
[2] Univ Sydney, Fac Med, Sydney, NSW, Australia
[3] Princess Alexandra Hosp, Dept Gastroenterol & Hepatol, Brisbane, Qld, Australia
[4] Greenslopes Private Hosp, Brisbane, Qld, Australia
[5] Alfred Hosp, Dept Gastroenterol & Hepatol, Melbourne, Vic, Australia
[6] Western Hosp, Dept Gastroenterol & Hepatol, Melbourne, Vic, Australia
[7] Epworth Med Fdn, Dept Gastroenterol & Hepatol, Melbourne, Vic, Australia
[8] Lyell McEwin Hosp, Dept Gastroenterol & Hepatol, Adelaide, SA, Australia
[9] Sir Charles Gairdner Hosp, Dept Gastroenterol & Hepatol, Perth, WA, Australia
[10] Westmead Hosp, Dept Tissue Pathol, Inst Clin Pathol & Med Res, Sydney, NSW, Australia