[1] Sir Charles Gairdner Hosp, Nedlands, WA, Australia
[2] Oxford Pathol, West Leederville, WA, Australia
[3] GI Clin, Myaree, WA, Australia
[4] Wexford Gastroenterol St John God Murdoch Hosp, Murdoch, WA, Australia
[5] PathWest Murdoch, Fiona Stanley Hosp, Dept Anat Pathol, Murdoch, WA, Australia
[6] PathWest QEII Site, Dept Anat Pathol, Nedlands, WA, Australia