1. From the Department of Epidemiology (J.H.V.) and Department of Biostatistics (G.H.), University of Alabama at Birmingham, Birmingham, AL; Department of Cardiovascular Medicine (G.S.R.), Lenox Hill Hospital, New York, NY; Department of Vascular & Endovascular Surgery (M.B.M.), Johns Hopkins Bayview Medical Center and the Johns Hopkins Hospital, Baltimore, MD; Saint Luke's Mid America Heart and Vascular Institute (D.J.C.), Kansas City, MO; Vascular and Endovascular Surgery (W.C.S.), Ochsner Health...