1. Department of Pediatrics (Cardiology); University of Kentucky; Lexington Kentucky USA
2. Department of Pediatric Cardiology; University of Central Florida; Orlando Florida USA
3. Department of Pediatric Cardiology; Rush University Medical Center; Chicago Illinois USA
4. Department of Pediatric Cardiology; David Geffen School of Medicine at UCLA; Los Angeles California USA
5. Department of Pediatric Cardiology; Cleveland Clinic Foundation; Cleveland Ohio USA
6. Division of Pediatric Cardiology; Children's Hospital of Orange County; Orange California USA
7. Department of Pediatric Cardiology; University of Michigan Health System; Ann Arbor Michigan USA
8. Department of Pediatric Cardiology; Wayne State University School of Medicine; Detroit Michigan USA
9. Department of Pediatric Cardiology; George Washington University; Washington DC USA
10. Department of Pediatric Cardiology; Cohen Children's Medical Center of New York; Queens New York USA
11. Cardiology Care for Children; Lancaster Pennsylvania USA
12. Department of Cardiology; Children's National Heart Institute; Arlington Virginia USA