1. Duke Clinical Research Institute and Division of CardiologyDuke University School of Medicine Durham NC USA
2. Ahmanson‐UCLA Cardiomyopathy CenterUniversity of California Los Angeles Los Angeles CA USA
3. Brigham and Women's Hospital Heart and Vascular Center and Harvard Medical Center Boston MA USA
4. Center for Cardiovascular InnovationNorthwestern University Feinberg School of Medicine Chicago IL USA
5. Division of CardiologyThe Permanente Medical Group San Francisco, CA USA
6. Division of ResearchKaiser Permanente Northern California Oakland, CA USA
7. Klinik für Innere Medizin IIIUniversitätsklinikum des Saarlandes Homburg Germany
8. Italian Association of Hospital Cardiologists (ANMCO) Research Center Florence Italy
9. Centre d'Investigation Clinique Plurithématique 1433, INSERM U1116Université de Lorraine CHRU de Nancy, Nancy France
10. Department of MedicineUniversity of Mississippi Jackson MS USA