Dane Hill1, Steven R Feldman2. 1. The Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, North Carolina. 2. The Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, North Carolina2Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina3Department of Public Health Sciences, Wake.