1. Division of Pediatric Cardiology; Mayo Clinic; Rochester Minn USA
2. Division of Cardiovascular Diseases; Mayo Clinic; Rochester Minn USA
3. Division of Cardiovascular Surgery; Mayo Clinic; Rochester Minn USA
4. Mayo Clinic College of Medicine; Mayo Clinic; Rochester Minn USA
5. Ahmanson/UCLA Adult Congenital Heart Disease Center; University of California; Los Angeles Calif USA