1. Department of Medicine, Cook County Health and Hospital System, Chicago, IL (M.S.K., L.L.).
2. Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan (F.Y.).
3. Department of Medicine, West Virginia University, Morgantown (S.U.K.).
4. Division of Cardiology, University of Alabama, Birmingham (N.S.B.).
5. Division of Cardiology, University of Texas Southwestern Medical Center, Dallas (A.P.).
6. Division of Preventive Medicine, Mayo Clinic Rochester, Rochester, MN (M.H.M.).
7. Division of Cardiology, Ronald Reagan-UCLA Medical Center (G.C.F.).
8. Department of Medicine, University of Mississippi, Jackson (J.B.).
9. Heart and Vascular Center, Brigham and Women’s Hospital, Boston, MA (M.V.).