Cardiovascular Abnormalities

• Cedars Sinai Medical Center — Los Angeles, California, United States
• Arnold Palmer Hospital — Orlando, Florida, United States
• Children's Hospital of Michigan — Detroit, Michigan, United States
• St. Louis Children's Hospital — St Louis, Missouri, United States

• St. Joseph Hospital and Medical Center — Phoenix, Arizona, United States
• Phoenix Children's Hospital — Phoenix, Arizona, United States
• Children's Hospital Los Angeles (USC) — Los Angeles, California, United States
• Cedars-Sinai Medical Center — Los Angeles, California, United States

• Emergency general hospital — Beijing, Beijing Municipality, China
• Peking Union Medical College Hospital — Beijing, Beijing Municipality, China
• Tongren hospital, Capital medical university — Beijing, Beijing Municipality, China
• The First Affiliated Hospital of Chongqing Medical University — Chongqing, Chongqing Municipality, China

• Children's Hospital Colorado — Aurora, Colorado, United States
• Children's Hospital of Philadelphia (CHOP) — Philadelphia, Pennsylvania, United States
• Seattle Children's Hospital — Seattle, Washington, United States
• The Hospital for Sick Children (SickKids) — Toronto, Ontario, Canada

• UPMC Children's Hospital Pittsburgh — Pittsburgh, Pennsylvania, United States

• First Department of Cardiology, National and Kapodistrian University of Athens, Hippokration General Hospital of Athens — Athens, Attica, Greece

Not specified

Not specified

• University of Alberta — Edmonton, Alberta, Canada

• Cincinnati Children's Hospital Medical Center — Cincinnati, Ohio, United States