1. Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, NSW 2050, Australia
2. Department of Histopathology, Douglass Hanly Moir Pathology, 14 Giffnock Avenue Macquarie Park, Sydney, NSW 2113, Australia
3. Melanoma Institute Australia, 40 Rocklands Road, North Sydney, NSW 2060, Australia
4. Discipline of Pathology, Sydney Medical School, The University of Sydney, NSW 2006, Australia