1 University of California Riverside School of Medicine, Riverside, California.
2 Department of Dermatology, Loma Linda University Medical Center, Loma Linda, California.
3 Department of Social Medicine, Population, and Public Health, University of California Riverside School of Medicine, Riverside, California.
4 Department of Dermatology, Loma Linda University Medical Center, Loma Linda, California; Department of Pathology, Loma Linda University Medical Center, Loma Linda, California. Electronic address: aelsensohn@llu.edu.