Affiliation: | 1. Division of Cardiology, Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas, USA;2. Section on Cardiovascular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston Salem, North Carolina, USA;3. Sections on Cardiovascular Medicine and Geriatrics/Gerontology, Department of Internal Medicine, Wake Forest School of Medicine, Winston Salem, North Carolina, USA |