1. Department of Plastic Surgery, Rhode Island Hospital and Hasbro Children's Hospital, Providence, Rhode Island
2. Departments of Surgery, the Warren Alpert Medical School of Brown University, Providence, Rhode Island
3. Departments of Surgery and Pediatrics, the Warren Alpert Medical School of Brown University, Providence, Rhode Island
4. Department of Radiology, Rhode Island Hospital and Hasbro Children's Hospital, Providence, Rhode Island
5. Department of Neurosurgery, the Warren Alpert Medical School of Brown University, Providence, Rhode Island
6. Department of Neurosurgery, Rhode Island Hospital and Hasbro Children's Hospital, Providence, Rhode Island