| Institution: | 1. Division of Dermatology, Departments of Medicine and Pediatrics, School of Medicine, Washington University School of Medicine, St. Louis, MO, USA;2. Philadelphia College of Osteopathic Medicine, Philadelphia, PA, USA;3. Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA;4. Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA;5. Section of Dermatology, Children's Hospital of Philadelphia, Philadelphia, PA, USA |
