1. Dermatology Service, Veterans Affairs Palo Alto Health Care System, Palo Alto, California2Department of Dermatology, Pigmented Lesion and Melanoma Program, Stanford University Medical Center and Cancer Institute, Stanford, California
2. Center for Dermatoepidemiology, Providence Veterans Affairs Medical Center, Providence, Rhode Island4Department of Dermatology, Brown University, Providence, Rhode Island
3. Center for Innovation to Implementation, Health Services Research and Development, Veterans Affairs Palo Alto Health Care System, Palo Alto, California
4. Center for Innovation to Implementation, Health Services Research and Development, Veterans Affairs Palo Alto Health Care System, Palo Alto, California6Department of Medicine, Stanford University Medical Center, Stanford, California