1. From the Division of Cardiology, VA Palo Alto Healthcare System, Palo Alto, CA (J.M.); Cardiovascular Medicine, Stanford University, Palo Alto, CA (J.M., F.D., E.A.); Rio de Janeiro State University, Rio de Janeiro, Brazil (R.O.); Physical Therapy Program, Department of Orthopedics and Rehabilitation, and Division of Cardiology, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM (R.A.); Division of Cardiology, University of Milano, Milan, Italy (M.G.);...