1. Division of Pediatric Surgery, Hasbro Children's Hospital, Warren Alpert Medical School of Brown University, Providence, Rhode Island.
2. Division of Pediatric Imaging, Hasbro Children's Hospital, Warren Alpert Medical School of Brown University, Providence, Rhode Island.
3. Division of Pediatric Pathology, Hasbro Children's Hospital, Warren Alpert Medical School of Brown University, Providence, Rhode Island.