[1] Yale Univ, Div Cardiol, New Haven, CT USA
[2] Mem Sloan Kettering Canc Ctr, Div Cardiol, New York, NY USA
[3] Johns Hopkins Univ, Div Cardiol, Baltimore, MD USA
[4] Stanford Univ, Div Cardiol, Stanford, CA USA
[5] Columbia Univ, Div Cardiol, New York, NY USA
[6] Univ Calif San Francisco, Div Cardiol, San Francisco, CA 94143 USA
[7] Morehouse Sch Med, Dept Med, GA EOO, Atlanta, GA USA
[8] Northwestern Univ, Dept Med, Feinberg Sch Med, Chicago, IL USA
[9] Assoc Black Cardiologists, Washington, DC USA
[10] Univ Calif San Francisco UCSF, Ctr Study Advers & Cardiovasc Dis, Sch Med, 505 Parnassus Ave, San Francisco, CA 94143 USA