1. Department of Dermatology, Stanford University School of Medicine, Stanford, California
2. Stanford Center for Digital Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California
3. Dermatology Service, Veterans Affairs Palo Alto Health Care System, Palo Alto, California
4. Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, Rhode Island
5. Center for Dermatoepidemiology, VA Providence Health Care System, Providence, Rhode Island
6. Department of Epidemiology, School of Public Health, Brown University, Providence, Rhode Island
7. Department of Medicine, Stanford University School of Medicine, Stanford, California