1. National Heart and Lung Institute (F.M., U.T., R.J.B., W.M., A.W., N.W., R.G., E.M., T.J.W.D., L.E.F., M.A., P.I.T., E.E., A.J.B., A.M.R., P.J.R.B., S.K.P., S.A.C., J.S.W.), Imperial College London, United Kingdom.
2. Cardiovascular Research Centre, Royal Brompton and Harefield National Health Service Foundation Trust, London, United Kingdom (F.M., U.T., R.J.B., W.M., A.W., N.W., R.G., E.M., L.E.F., M.A., P.I.T., E.E., A.J.B., A.A.P., A.M.R., P.J.R.B., S.K.P., S.A.C., J.S.W.).
3. Cardiomyopathy Unit, Careggi University Hospital, Florence, Italy (F.M., I.O.).
4. Department of Experimental and Clinical Medicine, University of Florence, Italy (F.M., I.O.).
5. Medical Research Council-London Institute of Medical Sciences (N.W. A.d.M., T.J.W.D., D.P.O., S.A.C., J.S.W.), Imperial College London, United Kingdom.
6. Laboratory for Molecular Medicine, Partners HealthCare Personalized Medicine, Cambridge, MA (A.Y.I.).
7. Oxford Medical Genetics Laboratory, Oxford University Hospitals National Health Service Foundation Trust, The Churchill Hospital, United Kingdom (K.L.T.).
8. Radcliffe Department of Medicine, University of Oxford, United Kingdom (K.L.T., H.W.).
9. National Heart Centre Singapore (L.L.H.C., D.S., S.A.C.).
10. Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston (B.F.).
11. Duke-National University of Singapore Medical School (S.A.C.).
12. Department of Clinical and Experimental Cardiology, Heart Center, Amsterdam Cardiovascular Sciences, Amsterdam Universitair Medische Centra, University of Amsterdam, The Netherlands (R.W.).