[1] Mt Sinai Sch Med, Imaging Sci Labs, Dept Radiol, New York, NY 10029 USA
[2] Mt Sinai Sch Med, Zena & Michael A Wiener Cardiovasc Inst, Marie Josee & Henry R Kravis Ctr Cardiovasc Hlth, New York, NY USA
[3] Johns Hopkins Univ, Sch Med, Baltimore, MD USA
[4] Sarnoff Endowment Cardiovasc Sci, Great Falls, VA USA
[5] Hop Europeen Georges Pompidou 2eme C, Dept Physiol & Radioisotopes, Paris, France