Cardiovascular Abnormalities

• Royal Children's Hospital — Melbourne, Victoria, Australia
• Stollery Cildren's Hospital — Edmonton, Alberta, Canada
• Harapan Kita Children and Women's Hospital — Jakarta, Indonesia
• Institut Jantung Negara — Kuala Lumpur, Malaysia

• Mott Children's Hospital University of Michigan — Ann Arbor, Michigan, United States
• Nationwide Children's Hospital — Columbus, Ohio, United States

• McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine — Baltimore, Maryland, United States

• 103 - Herz- und Diabeteszentrum NRW / Heart and Diabetes Center NRW — Bad Oeynhausen, Germany
• 101 - Deutsches Herzzentrum der Charité/ German Heart Institute Berlin — Berlin, Germany
• 102 - Deutsches Herzzentrum München/ German Heartcenter Munich — Munich, Germany
• IRCCS Policlinico San Donato — Milan, Italy

• St Bartholomews Hospital — London, United Kingdom

Not specified

• Los Angeles Children's Hospital — Los Angeles, California, United States
• Lucille Packard Children's Hospital — Palo Alto, California, United States
• Seattle Children's Hospital — Seattle, Washington, United States

• Heart Institute of Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo — São Paulo, Brazil

• Eskisehir Osmangazi University — Eskişehir, Odunpazarı, Turkey (Türkiye)

• Armed forces institute of cardiology — Rawalpindi, Punjab Province, Pakistan