1. From the Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia;
2. Department of Dermatology, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois; the
3. From the Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia;3Department of Dermatology, Karl-Franzens-University Medical School, Graz, Austria; and the
4. Departments of Surgery and
5. Departments of Surgery and5Physiology, University of California-San Francisco, San Francisco, California.