1. Division of Cardiovascular Medicine, Department of Medicine, University of California San Diego Health (H.W.K.).
2. Division of Physiotherapy, Department of Health Sciences (K.S.-E.)
3. and Cardiac MR Group, Department of Clinical Sciences, Skåne University Hospital (K.S.-E.)
4. Lund University, Sweden. Division of Cardiology, Department of Medicine, University of Texas Southwestern Medical Center, Dallas (J.L.H., J.D.D., B.A.-H., B.D.L.).
5. Department of Cardiology, VA North Texas Health Care System, Dallas (J.L.H.).
6. Department of Internal Medicine, Wake Forest Baptist Medical Center, Winston-Salem, NC (J.K.).
7. Division of Cardiovascular Medicine, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison (R.L.P.).
8. Cardiovascular Division, Department of Internal Medicine, University of Miami, FL (J.J.G.).
9. University of Illinois College of Medicine, Chicago (J.N.).
10. Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center, Houston (M.W.B.).
11. Institute for Exercise and Environmental Medicine, Texas Health Presbyterian Hospital Dallas, TX (B.D.L.).