[1] Northwestern Univ, Ctr Cardiovasc Innovat, Feinberg Sch Med, Dept Med,Sect Expt Therapeut, Chicago, IL 60611 USA
[2] Univ Pittsburgh, Med Ctr, Cardiovasc Inst, Pittsburgh, PA USA
[3] Northwestern Univ, Dept Med, Div Cardiol, Feinberg Sch Med, Chicago, IL 60611 USA
[4] Univ Calif Los Angeles, Dept Med, Ahmanson UCLA Cardiomyopathy Ctr, Med Ctr, Los Angeles, CA 90024 USA
[5] Univ Maryland, Sch Med, Dept Med, Div Cardiol, Baltimore, MD 21201 USA
[6] Univ Chicago, Sch Med, Dept Med, Div Cardiol, Chicago, IL 60637 USA
[7] Duke Univ, Med Ctr, Duke Cardiovasc Magnet Resonance Ctr, Durham, NC USA
[8] Univ Hull, Dept Cardiol, Hull York Med Sch, Castle Hill Hosp, Kingston Upon Hull, Yorks, England
[9] Northwestern Univ, Dept Emergency Med, Feinberg Sch Med, Chicago, IL 60611 USA
[10] Duke Univ, Med Ctr, Duke Cardiovasc Ctr Drug Dev, Durham, NC USA