1 Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia.
2 Tissue Pathology & Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia.
3 Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.
4 Department of Dermatology, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands.
5 Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia.
6 Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia. richard.scolyer@health.nsw.gov.au.
7 Tissue Pathology & Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia. richard.scolyer@health.nsw.gov.au.
8 Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia. richard.scolyer@health.nsw.gov.au.