1 Dermatology Service, Sacramento VA Medical Center, Mather, CA.
2 Keck School of Medicine of University of Southern California, Los Angeles, CA.
3 Department of Dermatology, State University of New York Downstate Medical Center, Brooklyn, NY.
4 Dermatology Service, Sacramento VA Medical Center, Mather, CA; Department of Dermatology, State University of New York Downstate Medical Center, Brooklyn, NY; Department of Dermatology, University of California Davis, Sacramento, CA. Electronic address: [email protected].