1. Center for Dermatoepidemiology; US Department of Veterans Affairs Medical Center; Providence RI U.S.A.
2. Department of Dermatology; Rhode Island Hospital; Providence RI U.S.A.
3. Departments of Dermatology and Epidemiology; Brown University; Providence RI U.S.A.
4. Cornell Scott-Hill Health Center; New Haven CT U.S.A.
5. The Dartmouth Institute for Health Policy and Clinical Practice; Geisel School of Medicine at Dartmouth; Lebanon NH U.S.A.
6. Norris Cotton Cancer Center; Lebanon NH U.S.A.
7. Department of Epidemiology; Geisel School of Medicine at Dartmouth; Lebanon NH U.S.A.
8. Department of Biomedical Data Science; Geisel School of Medicine at Dartmouth; Lebanon NH U.S.A.
9. Departments of Medical Informatics and Clinical Epidemiology and Medicine; Oregon Health & Science University; Portland OR U.S.A.
10. Providence Cancer Center; Providence Health and Services; Portland OR U.S.A.
11. Department of Medicine; Division of Dermatology; University of Washington School of Medicine; Seattle WA U.S.A.
12. Dermatopathology Northwest; Bellevue WA U.S.A.
13. Department of Pathology; Institut Curie, and Faculty of Medicine; University of Paris Descartes; Paris France
14. Department of Internal Medicine; University of Washington School of Medicine; Seattle WA U.S.A.
15. Department of Medicine; Geisel School of Medicine at Dartmouth; Lebanon NH U.S.A.