[1] Univ Virginia, Res Cardiovasc Div, Med, Charlottesville, VA 22903 USA
[2] Univ Virginia, Div Res Cardiovasc, Charlottesville, VA 22903 USA
[3] Ward Family Heart Ctr Childrens Mercy, Kansas City, MO USA
[4] ASE Res Comm, Los Angeles, CA USA
[5] ASE, Los Angeles, CA USA
[6] Texas Heart Inst, Noninvas Cardiol, Houston, TX USA
[7] Univ Chicago, Leadership & Soc Initiat, Chicago, IL USA