1. Department of Exercise Sciences, 106 SFH, Brigham Young University, Provo, UT 84602, USA
2. Intermountain Medical Center Heart Institute, 5121 S. Cottonwood St., Salt Lake City, UT 84107, USA
3. Cardiology Division, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA
4. Division of Cardiovascular Medicine, Department of Medicine, University of California San Diego, 9500 Gilman Drive, Mail Code 7411, La Jolla, CA 92037-7411 USA
5. Principle PA Faculty, Rocky Mountain University of Health Professions, 122 E 1700 S building 3, Provo, UT 84606, USA
6. Division of Cardiovascular Medicine, Department of Medicine, Stanford University, 870 Quarry Road, Stanford, CA 94305, USA