1. Department of Pediatrics; Children's National Medical Center; Washington District of Columbia, USA
2. Departments of Anesthesia and Surgery; Boston Children's Hospital, Harvard Medical School; Boston Massachusetts USA
3. Department of Psychiatry and Behavioral Science; Children's National Medical Center; Washington District of Columbia USA
4. Division of Cardiology; Children's National Medical Center; Washington District of Columbia USA
5. Division of Cardiothoracic Surgery; Children's National Medical Center; Washington District of Columbia USA