[1] Brown Univ, Alpert Med Sch, Providence, RI 02912 USA
[2] Lifespan Cardiovasc Inst, Providence, RI USA
[3] Miriam Hosp, Ctr Cardiac Fitness, Providence, RI 02906 USA
[4] Providence VA Med Ctr, Providence, RI USA
[5] Miriam Hosp, Ctr Prevent & Behav Med, Providence, RI 02906 USA
[6] Lifespan Cardiovasc Inst, 1454 South Cty Trail Suite 200, East Greenwich, RI 02818 USA