[1] Emory Univ, Div Cardiol, Dept Med, Emory Clin Cardiovasc Res Inst,Sch Med, Atlanta, GA 30322 USA
[2] Emory Univ, Dept Epidemiol, Rollins Sch Publ Hlth, Atlanta, GA 30322 USA
[3] Emory Univ, Rollins Sch Publ Hlth, Dept Biostat & Bioinformat, Atlanta, GA 30322 USA
[4] Emory Univ, Sch Med, Dept Hematol & Oncol, Winship Canc Inst, Atlanta, GA USA