1. Department of Medicine SOVAH Health Danville VA USA
2. Department of Medicine, Division of Cardiology Harvard Medical School & Veteran Affairs Boston Healthcare System Boston MA USA
3. Department of Medicine, Division of Cardiology Providence VA Medical Center and Alpert Medical School of Brown University Providence RI USA
4. Ahmanson‐UCLA Cardiomyopathy Center Ronald Reagan UCLA Medical Center Los Angeles CA USA
5. Department of Medicine, Division of Endocrinology, Diabetes and Metabolism Johns Hopkins School of Medicine Baltimore MD USA