[1] Yale Sch Med, Dept Med, Sect Cardiovasc Med, Courier 333 Cedar St,Off 310 Dana, New Haven, CT 06520 USA
[2] Catholic Med Ctr, New England Heart & Vasc Inst, Manchester, NH USA
[3] Yale New Haven Hlth Syst, Ctr Outcomes Res & Evaluat, New Haven, CT USA
[4] Yale Sch Med, Dept Med, Sect Gen Internal Med, New Haven, CT 06520 USA
[5] Yale Sch Publ Hlth, Dept Hlth Policy & Management, New Haven, CT USA
[6] Univ Calif San Francisco, Sch Med, Dept Med, Sect Cardiol, San Francisco, CA USA
[7] Yale New Haven Hlth Syst, Ctr Outcomes Res & Evaluat, Yale Sch Med, Sect Cardiovasc Med,Dept Med, New Haven, CT USA
[8] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Boston, MA USA