1. Section of Dermatology Department of Pediatrics Children's Hospital of Philadelphia Philadelphia Pennsylvania United States
2. Department of Dermatology Texas Children's Hospital Baylor College of Medicine Houston Texas
3. Division of Genetics Department of Pediatrics Children's Hospital of Philadelphia Philadelphia Pennsylvania United States
4. Department of Hematology‐Oncology Vascular Anomalies Center Texas Children's Hospital Baylor College of Medicine Houston Texas
5. Department of Pathology and Laboratory Medicine Children's Hospital of Philadelphia Philadelphia Pennsylvania United States
6. Division of Dermatopathology Department of Dermatology Hospital of the University of Pennsylvania Philadelphia Pennsylvania
7. Department of Pathology Texas Children's Hospital and Baylor College of Medicine Houston Texas
8. Division of Interventional Radiology Children's Hospital of Philadelphia Philadelphia Pennsylvania United States
9. Division of Plastic and Reconstructive Surgery Children’s Hospital of Philadelphia Philadelphia Pennsylvania