1. From the Department of Community and Preventive Medicine (P.M.), Mount Sinai School of Medicine, New York, NY; Ochsner Clinic Foundation and Tulane University Schools of Medicine and Public Health and Tropical Medicine (M.K-W., E.S.), New Orleans, La; University of Pennsylvania School of Medicine (A.D.H.), Philadelphia; Memphis Veterans Affairs Medical Center (W.C.C.), Memphis, Tenn; National Heart, Lung, and Blood Institute (J.A.C.), Bethesda, Md; University of Texas Health Science Center School of...