[1] Univ Texas MD Anderson Canc Ctr, Dept Cardiol, Houston, TX USA
[2] Duke Univ Med Ctr, Div Cardiol, Durham, NC USA
[3] Duke Univ Med Ctr, Duke Clin Res Inst, Durham, NC USA
[4] Univ Texas MD Anderson Canc Ctr, Dept Cardiol, 1515 Holcombe Blvd,Unit 1451, Houston, TX 77030 USA