1. Melanoma Institute Australia, University of Sydney, Sydney, New South Wales, Australia
2. Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
3. Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
4. Department of Medical Oncology, Royal North Shore Hospital, Sydney, New South Wales, Australia
5. Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia