1. Pediatric Electrophysiology; Division of Pediatric Cardiology; Department of Pediatrics; Stanford University-Lucille Packard Children's Hospital; Palo Alto California
2. Division of Pediatric Anesthesiology; Department of Anesthesiology; The Children's Hospital at Montefiore; Albert Einstein College of Medicine; Bronx New York
3. Pediatric Arrhythmia Service, Division of Pediatric Cardiology; Department of Pediatrics; The Children's Hospital at Montefiore, Albert Einstein College of Medicine; Bronx New York