1. Department of Dermatology; University of Colorado; Aurora CO U.S.A
2. QIMR Berghofer Medical Research Institute; Brisbane Queensland Australia
3. CRUK Manchester Institute; University of Manchester; Manchester U.K
4. Erasmus MC Cancer Institute; Department of Dermatology; Erasmus University Medical Center Rotterdam; Rotterdam the Netherlands
5. Center for Dermatoepidemiology; Department of Veterans Affairs Medical Center; Providence RI U.S.A
6. Department of Dermatology and Epidemiology; Brown University; Providence RI U.S.A
7. Dermatology of Epidemiology; Colorado School of Public Health; Aurora CO U.S.A
8. Dermatology Service; U.S. Department of Veterans Affairs; Eastern Colorado Health System; Denver CO U.S.A
9. Institute for Health Metrics and Evaluation; Seattle WA U.S.A
10. Department of Medicine; Division of Hematology; University of Washington; Seattle WA U.S.A