[1] Yale Sch Med, Sect Cardiovasc Med, 789 Howard Ave, New Haven, CT 06519 USA
[2] Yale Sch Med, Dept Radiol & Biomed Imaging, 789 Howard Ave, New Haven, CT 06519 USA
[3] Duke Univ, Med Ctr, Dept Radiol, Durham, NC USA
[4] Univ Milan, IRCCS Osped Galeazzi St Ambrogio, Div Cardiol & Cardiac Imaging, Milan, Italy
[5] Univ Washington, Heart Inst, Seattle, WA USA
[6] Heart Failure Soc Amer, Rockville, MD USA
[7] Erasmus MC, Dept Radiol & Nucl Med, Rotterdam, Netherlands
[8] Liverpool Heart & Chest Hosp, Liverpool, England
[9] Harvard Med Sch, Massachusetts Gen Hosp, Brookline, MA USA
[10] Univ Cambridge, Sch Clin Med, Cambridge, England
[11] Royal Papworth Hosp, Dept Radiol, Cambridge, England
[12] Washington Univ, Sch Med, Mallinckrodt Inst Radiol, St Louis, MO USA
[13] Monash Univ, Clayton, Vic, Australia
[14] NIH, Bethseda, MD USA