Death, Sudden

• St. Joseph's Hospital — Phoenix, Arizona, United States
• Pediatric Clinical Research Center, Children's Hospital Oakland — Oakland, California, United States
• The Children's Hospital — Denver, Colorado, United States
• Harbin Clinic — Rome, Georgia, United States

• Children's Hospital Oakland — Oakland, California, United States
• St. Louis Children's Hospital, Washington University — St Louis, Missouri, United States
• University of North Carolina at Chapel Hill — Chapel Hill, North Carolina, United States
• Texas Children's Hospital, Baylor College of Medicine — Houston, Texas, United States

• Hospital de Clinicas de Porto Alegre, Servico de Genetica Medica — Porto Alegre, Rio Grande do Sul, Brazil
• Instytut Pomnik Centrum Zdrowia Dziecka, Klinika Chorob Metaboliczynch, Endokrynologii i Diabetologii — Warsaw, Poland
• National Taiwan University Hospital, Dept. of Pediatrics and Medical Genetics — Taipei, Taiwan

• Children's Hospital & Research Center Oakland — Oakland, California, United States
• Children's Hospitals and Clinics of Minnesota, Division of Genetics — Minneapolis, Minnesota, United States
• Hospital de Clinicas de Porto Alegre, Servico de Genetica Medica — Porto Alegre, Rio Grande do Sul, Brazil
• Birmingham Children's Hospital — Birmingham, United Kingdom

• University of Michigan Hospital — Ann Arbor, Michigan, United States

• Hopital Europen Georges Pompidou — Paris, France

Not specified

• University of California at San Francisco — San Francisco, California, United States
• Medstar Washington Hospital Center — Washington D.C., District of Columbia, United States
• Emory University School of Medicine — Atlanta, Georgia, United States
• Georgia Arrhythmia Consultants and Research Institute — Macon, Georgia, United States

• Brest University Hospital — Brest, France
• Nantes University Hospital — Nantes, France
• Rennes University Hospital — Rennes, France
• Tours University Hospital — Tours, France

• Children's Hospital of Orange County — Orange, California, United States
• University of Minnesota — Minneapolis, Minnesota, United States