1. Loma Linda University School of Medicine, Loma Linda, California
2. School of Medicine, University of California, Irvine, California
3. Departments of Dermatology and Pathology, Loma Linda University School of Medicine, Loma Linda, California
4. Department of Dermatology, Medical College of Wisconsin, Wisconsin
5. Department of Dermatology, University of California, Irvine, California