[1] Columbia Univ, Irving Med Ctr, Div Cardiol, New York, NY USA
[2] Cleveland Clin Fdn, Cleveland, OH USA
[3] Massachusetts Gen Hosp, Boston, MA USA
[4] New York Presbyterian Brooklyn Methodist Hosp, Brooklyn, NY USA
[5] HCA Florida Aventura Hosp, Dept Internal Med, Aventura, FL USA
[6] St Lukes Mid Amer Heart Inst, Kansas City, MO USA
[7] Harvard TH Chan Sch Publ Hlth, 677 Huntington Ave, Boston, MA 02115 USA