1. Divisions of Cardiology
2. Division of Cardiology, Department of Pediatrics, Seattle Children's Hospital, University of Washington, Seattle, Washington
3. Department of Medicine, Stanford University School of Medicine, Stanford, California
4. Adolescent Medicine, Department of Pediatrics, Stanford University, Stanford, California
5. Division of Hematology/Oncology, Lucile Packard Children's Hospital Stanford, Palo Alto, California