[1] Univ Sydney, Cent Clin Sch, Camperdown, NSW, Australia
[2] Royal Prince Alfred Hosp, Anat Pathol, Camperdown, NSW, Australia
[3] Royal North Shore Hosp, Gastroenterol, St Leonards, NSW, Australia
[4] Westmead Hosp, Med, Melanoma Inst Australia, Sydney, NSW, Australia
[5] Blacktown Hosp, Med, Melanoma Inst Australia, Sydney, NSW, Australia
[6] Univ Sydney, Sydney, NSW, Australia
[7] Univ Sydney, Med, Camperdown, NSW, Australia
[8] Univ Sydney, Melanoma Inst Australia, Med, Sydney, NSW, Australia
[9] Royal Prince Alfred Hosp, Sydney, NSW, Australia
[10] Univ Sydney, Mater Hosp, Melanoma Inst Australia, Med, Sydney, NSW, Australia
[11] Royal North Shore Hosp, Sydney, NSW, Australia