1. Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia
2. Department of Dermatology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
3. Department of Tissue Oncology and Diagnostic Pathology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, New South Wales, Australia
4. Department of Surgery, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
5. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, University Utrecht, Utrecht, the Netherlands
6. Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
7. Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
8. Department of Pathology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands