1. From the Department of Internal Medicine, University of Texas-Southwestern Medical Center, Dallas (S.M.A., K.W.B., P.S.B., J.L.H., S.M., N.F., S.S., G.C.-R., M.D.P., N.G., B.D.L.); North Texas Veteran’s Affair’s Medical Center, Dallas (S.M.A., J.L.H.); The Cooper Institute, Dallas, TX (L.F.D.); Division of Cardiology, John Peter Smith Health Network (P.S.B.) and The Institute for Exercise and Environmental Medicine (S.M.A., K.W.B., P.S.B., S.M., N.F., S.S., G.C.-R., M.D.P., N.G., B.D.L.), Texas...