1. Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia
2. Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and New South Wales Health Pathology, Sydney, New South Wales, Australia
3. Department of Anatomical Pathology, The Canberra Hospital, Canberra, Australian Capital Territory, Australia
4. Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
5. Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
6. Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia
7. Department of Dermatology and Department of Pathology, Hospital of the University of Pennsylvania, Philadelphia