[1] Johns Hopkins Univ, Sch Med, Dept Med, Div Cardiol, Baltimore, MD USA
[2] Johns Hopkins Univ, Sch Med, Ciccarone Ctr Prevent Cardiovasc Dis, Div Cardiol, Baltimore, MD USA
[3] Johns Hopkins Univ, Sch Med, Div Endocrinol Diabet & Metab, Baltimore, MD USA
[4] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidemiol, Baltimore, MD USA
[5] Johns Hopkins Bloomberg Sch Publ Hlth, Welch Ctr Prevent Epidemiol & Clin Res, Baltimore, MD USA
[6] Natl Univ Ireland Galway, Natl Inst Prevent & Cardiovasc Hlth, Galway, Ireland
[7] Univ Maryland, Sch Med, Dept Pathol, Baltimore, MD USA
[8] Johns Hopkins Univ, Sch Med, Dept Med, Div Cardiol, 1800 Orleans St,Carnegie 565C, Baltimore, MD 21287 USA