1. Dermatology Service, Sacramento VA Medical CenterMather California
2. Department of DermatologyUniversity of California DavisSacramento California
3. Department of SurgeryPodiatry Section, Sacramento VA Medical CenterMather California
4. Department of Public Health Sciences, Division of BiostatisticsUniversity of California DavisDavis California
5. Department of DermatologyState University of New York Downstate Medical CenterBrooklyn New York