1 Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA Department of Dermatology, University of Colorado Denver and the Denver VA Medical Center, Denver, CO Department of Dermatology, University Hospitals Case Medical Center, Cleveland, OH Department of Dermatology, University of Pennsylvania, Philadelphia, PA Department of Dermatology, University of Minnesota, Minneapolis, MN Department of Dermatology, Geisinger Health System, Danville, PA.