1. Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (S.K., A.D.C., H.-J.Y., A.C.D., J.F.K.).
2. Division of Cardiovascular Medicine, Department of Medicine, University of Massachusetts Medical School, Worcester (K.-V.T., H.L.).
3. Department of Cardiology, University Medical Center, Mainz, Germany (M.K., S.K.-S.).
4. Department of Human Nutrition, Foods, and Exercise, Virginia Tech, Blackburg, VA (S.M.C.).
5. Department of Mechanical and Industrial Engineering, University of Massachusetts, Amherst (J.D.H., J.M.J.).
6. Division of Cardiology, Departments of Medicine and Bioengineering, Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, PA (C.S.H.).
7. Department of Cardiology, Allgemeines Krankenhaus, Celle, Germany (E.S.).