1. Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles
2. Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia
3. Department of Pathology, Institut Curie, Paris, France
4. Paris Sciences and Lettres Research University, Paris, France
5. Faculty of Medicine, University of Paris Descartes, Paris, France
6. Pathology Associates, Clovis, California
7. Program in Biostatistics and Biomathematics, Fred Hutchinson Cancer Research Center, Seattle, Washington
8. Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
9. Department of Pediatrics, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
10. Norris Cotton Cancer Center, Lebanon, New Hampshire
11. Center for Dermatoepidemiology, Providence Veterans Affair Medical Center, Providence, Rhode Island
12. Department of Dermatology, Brown University, Providence, Rhode Island
13. Department of Epidemiology, Brown University, Providence, Rhode Island
14. Department of Medical Informatics and Clinical Epidemiology, School of Medicine, Oregon Health and Science University, Portland
15. Department of Medicine, School of Medicine, Oregon Health and Science University, Portland
16. Department of Medicine, University of Washington School of Medicine, Seattle
17. Dermatopathology Northwest, Bellevue, Washington