[1] Northwestern Univ, Dept Med, Feinberg Sch Med, Div Cardiol, Chicago, IL 60611 USA
[2] Mt Sinai, Zena & Michael A Wiener Cardiovasc Inst, New York, NY USA
[3] Mt Sinai, Dept Populat Hlth Sci & Policy, New York, NY USA
[4] Duke Univ, Med Ctr, Durham, NC USA
[5] Duke Clin Res Inst, Durham, NC USA