1. Department of Genetics (M.J., A.F.B., A.S.U., H.K.P.v.A., E.A.M.H., D.D.), University Medical Center Utrecht, Utrecht University, the Netherlands.
2. Department of Clinical Genetics (K.Y.v.S.-Z., R.H.L.D., A.C.H.), Amsterdam University Medical Center, the Netherlands.
3. Department of Clinical Genetics, Maastricht University Medical Center, the Netherlands (A.v.d.W., P.J.T.M.H.-v.d.E.).
4. Department of Genetics (J.D.H.J., E.T.H., J.P.v.T.), University Medical Centre Groningen, University of Groningen, the Netherlands.
5. Department of Clinical Genetics (M.A.v.S., M.W.W.), Erasmus Medical Centre, Rotterdam, the Netherlands.
6. Department of Cardiology (M.M.), Erasmus Medical Centre, Rotterdam, the Netherlands.
7. Department of Clinical Genetics, Leiden University Medical Centre, the Netherlands (D.Q.C.M.B.-S.).
8. Durrer Center for Cardiovascular Research, Netherlands Heart Institute, Utrecht, the Netherlands (J.P.v.T., F.W.A.).
9. Department of Cardiology (M.P.v.d.B.), University Medical Centre Groningen, University of Groningen, the Netherlands.
10. Department of Cardiology (A.A.M.W.), Amsterdam University Medical Center, the Netherlands.
11. Division of Heart and Lungs, Department of Cardiology (F.W.A.), University Medical Center Utrecht, Utrecht University, the Netherlands.
12. Institute of Cardiovascular Science (F.W.A.) and Health Data Research UK, Institute of Health Informatics (F.W.A.), University College London, United Kingdom.
13. Department of Internal Medicine (E.J.G.S.), Erasmus Medical Centre, Rotterdam, the Netherlands.