1. Cardiothoracovascular Department, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), University of Trieste, Trieste, Italy (M.G., D.S., M.M., M.D.F., A.P., G.D.A., F.B., G.S.).
2. Division of Cardiology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden (D.S.).
3. Cardiovascular Institute and Adult Medical Genetics Program, University of Colorado Anschutz Medical Campus, Aurora (S.G., S.N.C., J.J., E.E.S., S.T., M.R.G.T., L.M.).
4. Biostatistics Unit, Department of Medical Sciences, University of Trieste, Italy (C.G.).
5. MOX-Modeling and Scientific Computing Laboratory, Department of Mathematics, Politecnico di Milano, Milan, Italy (C.G.).
6. Molecular Cardiology Division, Victor Chang Cardiac Research Institute, and St Vincent’s Clinical School, Faculty of Medicine, UNSW Sydney, Australia (D.F., R.J.).
7. Cardiology Department, St Vincent’s Hospital, Sydney, Australia (D.F.).
8. Division of Medicine, Department of Genetics and Cardiology, University Medical Center, Utrecht, the Netherlands (J.P.v.T., A.S.J.M.T.R.).
9. Netherlands Heart Institute, Utrecht (J.P.v.T., A.S.J.M.T.R.).
10. Heart Centre, Department of Clinical and Experimental Cardiology, Amsterdam UMC, University of Amsterdam, the Netherlands (A.W.).
11. Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (N.K.L., K.P.).
12. University Hospital of Udine, Italy (D. Miani, D. Muser).
13. Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy (G.M.S.).
14. Division of Cardiology, Department of Medicine, The Johns Hopkins University, Baltimore, MD (H.C., C.A.J., B.M., C.T.).
15. Stanford Center for Inherited Cardiovascular Disease, CA (V.N.P., E.A.A., C.R.).
16. National Center for Cardiovascular Diseases in Beijing, China (J.S.).
17. Medical University of South Carolina, Charleston (D.J.).
18. Institute of Cardiovascular Science, University College of London, United Kingdom (W.J.M.).