Cardiovascular Abnormalities

• The Children's Hospital — Denver, Colorado, United States
• Washington University — St Louis, Missouri, United States
• University of North Carolina at Chapel Hill — Chapel Hill, North Carolina, United States
• Children's Hospital and Regional Medical Center — Seattle, Washington, United States

• Cairo University — Cairo, Egypt

• Children's Hospital of Eastern Ontario — Ottawa, Ontario, Canada

• University of Pacific — Stockton, California, United States

Not specified

• Rhode Island Hospital/Brown University Medicine School — Providence, Rhode Island, United States
• The Division of Nephrology & Rheumatology, Shanghai 10th People's Hospital — Shanghai, Shanghai Municipality, China

• UZ Antwerpen — Edegem, Belgium
• Ziekenhuis Oost Limburg (ZOL) — Genk, Belgium
• AZ Sint-Lucas — Ghent, Belgium
• AZ Groeninge — Kortrijk, Belgium

• Stanford Hospital and Clinics — Stanford, California, United States

• Duke Universtiy Hospital — Durham, North Carolina, United States

• Medical University of Vienna — Vienna, Austria