1. Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan Medical School, Ann Arbor (S.S.).
2. Department of Cardiology, Cardiovascular MR and CT unit (UNICA), Hospital da Luz, Lisbon, Portugal (N.C.).
3. Mayo Clinic, Jacksonville, FL (M.Y.).
4. Charité Medical University Berlin, ECRC and Department of Cardiology, HELIOS Klinik Berlin-Buch, Clinic for Cardiology and Nephrology, DZHK partnersite Berlin, Germany (J.S-M.).
5. MyoKardia, Brisbane, CA (W.L., V.F., A.J.S.).
6. Cardiovascular Division, Department of Medicine (R.Y.K., M.J-H.), Brigham and Women’s Hospital, Harvard Medical School, Boston, MA.
7. Center for Hypertrophic Cardiomyopathy, Knight Cardiovascular Institute, Oregon Health & Science University, Portland (A.M.).
8. Center for Inherited Cardiac Disease, Division of Cardiovascular Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia (A.O.).
9. Department of Cardiovascular Medicine (N.K.L.), Brigham and Women’s Hospital, Harvard Medical School, Boston, MA.
10. Cardiovascular Division, Department of Medicine, University of Virginia Health System, Charlottesville (C.M.K.).
11. Hypertrophic Cardiomyopathy Program, NYU Langone Health, New York (M.S.).
12. Department of Cardiology and Pulmonology, University Medical Center Göttingen, Germany (T.S.)
13. Duke Cardiology, Duke Health Center at Southpoint, Durham, NC (A.W.).
14. Department of Internal Medicine III, Institute for Cardiomyopathies, University of Heidelberg, Germany (F.S.-H., B.M.).
15. Department of Cardiology, Tel Aviv Medical Center, affiliated to Sackler School of Medicine, Tel Aviv University, Israel (O.H.).
16. Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, CT (D.J.).