1. School of Medicine University of Virginia Charlottesville VA USA
2. Department of Dermatology Kaiser Permanente Northern CaliforniaMartinez Medical Center Martinez CA USA
3. Department of Dermatology University of Colorado School of Medicine Aurora CO USA
4. Section of Pediatric Dermatology Children’s Hospital Colorado Aurora CO USA
5. Department of Dermatology University of Pennsylvania Philadelphia PA USA
6. Department of Dermatology Massachusetts General HospitalHarvard Medical School Boston MA USA