[1] Univ Sydney, Centenary Inst Canc Med & Cell Biol, Liver Immunobiol Lab, Sydney, NSW 2006, Australia
[2] Royal Prince Alfred Hosp, AW Morrow Gastroenterol & Liver Ctr, Sydney, NSW, Australia
[3] Univ Sydney, Sch Med, Sydney, NSW 2006, Australia
[4] Royal Prince Alfred Hosp, Dept Anat Pathol, Sydney, NSW, Australia
[5] Envoi Pathol, Brisbane, Qld, Australia