1. Health Services Research and Development, VA Puget Sound Health Care System, Department of Veterans Affairs, Seattle, Washington.
2. Department of Medicinal Chemistry, School of Public Health, University of Washington, Seattle, Washington.
3. Hospital and Specialty Medical Services, Teledermatology Section, VA Puget Sound Health Care System, Department of Veterans Affairs, Seattle, Washington.
4. Department of Health Services, School of Public Health, University of Washington, Seattle, Washington.
5. Department of Epidemiology, School of Public Health, University of Washington, Seattle, Washington.