1. Children's Hospital of Philadelphia Philadelphia Pennsylvania
2. Department of Dermatology Massachusetts General Hospital Boston Massachusetts
3. Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania
4. Division of Plastic and Reconstructive Surgery Children's Hospital of Philadelphia Philadelphia Pennsylvania
5. Division of Plastic Surgery Hospital of the University of Pennsylvania Philadelphia Pennsylvania
6. Section of Pediatric Dermatology Children's Hospital of Philadelphia Philadelphia Pennsylvania
7. Department of Pathology and Laboratory Medicine Children's Hospital of Philadelphia Philadelphia Pennsylvania
8. Department of Dermatology Hospital of the University of Pennsylvania Philadelphia Pennsylvania