[1] Kaiser Permanente Northern Calif, Dept Cardiol, Oakland, CA USA
[2] Kaiser Permanente Northern Calif, Div Res, Oakland, CA USA
[3] Univ Calif San Francisco, Dept Med, San Francisco, CA 94143 USA
[4] Houston Methodist DeBakey Heart & Vasc Ctr, Div Cardiovasc Prevent & Wellness, Dept Cardiol, Houston, TX USA
[5] Harvard Med Sch, Div Cardiovasc, Dept Med, Brigham & Womens Hosp, Boston, MA 02115 USA