1. Division of Cardiovascular Medicine, Department of Medicine (V.N.P., C.C., C.R., M.T.W., E.A.A.), Stanford University School of Medicine, CA.
2. Department of Psychiatry and Behavioral Sciences (L.C.L.), Stanford University School of Medicine, CA.
3. Department of Biomedical Data Science (L.C.L.), Stanford University School of Medicine, CA.
4. Department of Cardiology, Royal Prince Alfred Hospital and Agnes Ginges Centre for Molecular Cardiology, Centenary Institute, University of Sydney, New South Wales, Australia (J.I., C.S.).
5. Invitae, Inc, San Francisco, CA (J.G., R.N.).
6. Genomic Health, Inc, Redwood City, CA (K.M.).
7. Johns Hopkins School of Medicine, Baltimore, MD (T.A.).
8. Institute for Cardiomyopathies, University Hospital Heidelberg, German Center for Cardiovascular Research (F.S.-H., B.M.).
9. Brigham and Women’s Hospital, Partners Health Care and Harvard Medical School, Boston, MA (S.K., N.K.L.).
10. Cardiovascular Institute, University of Colorado Anschutz Medical Campus, Aurora (S.G., M.R.G.T., L.M.).
11. Cardiovascular Department, Azienda Sanitaria Universitaria Integrata, University of Trieste, Italy (M.G., D.S., M.D.F., M.M., G.S.).
12. Laboratory of Molecular Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (A.Y.I., B.F.).
13. Division of Human Genetics, Department of Medicine (R.E.H.), The Ohio State University College of Medicine, Columbus.
14. Division of Cardiovascular Medicine, Department of Medicine (R.E.H.), The Ohio State University College of Medicine, Columbus.
15. National Heart Lung Institute, Imperial College London, UK and National Heart Centre, Singapore (S.C.).
16. Department of Genetics (L.M.S., B.M., E.A.A.), Stanford University School of Medicine, CA.
17. Department of Medicine, Medical University of South Carolina, Charleston (D.P.J.).