1. Department of Medicine, University of Melbourne, Melbourne, VIC.
2. Department of Dermatology, St Vincent's Hospital, Melbourne VIC.
3. Cancer Epidemiology Centre, Cancer Council Victoria, Melbourne VIC.
4. Centre for Molecular, Environmental, Genetic and Analytic Epidemiology, School of Population Health, University of Melbourne, Melbourne VIC.
5. Epworth Hospital, Melbourne VIC.
6. Department of Dermatology, St Vincent's Hospital, Melbourne, VIC.