Associated national centers
| Member State | City | Center |
| Austria | Innsbruck | Cardiomyopathy Program Innsbruck / Dpt. of Internal Medicine III, Medical Univerity Innsbruck |
| Austria | Vienna | Children’S Heart Center / Dpt. of Pediatrics, Medical University of Vienna |
| Estonia | Tartu | Tartu University Hospital |
| Lithuania | Kaunas | Hospital of Lithuanian University of Health Sciences Kauno Klinikos |
| Lithuania | Vilnius | Vilnius University Hospital Santaros Klinikos |
| Slovakia | Bratislava | National Cardiovascular Institute and Slovak Medical University, Grown-up Congenital Heart Diseases Center |
| Slovenia | Ljubljana | Clinical Institute for medical genetics, University Medical Center Ljubljana |
