[1] Mass Gen Hop MGH, Div Cardiol, Boston, MA USA
[2] Korea Adv Inst Sci & Technol, Dept Bio & Brain Engn, Daejeon, South Korea
[3] Leiden Univ, Div Image Proc, Dept Radiol, Leiden, Netherlands
[4] Mass Gen Hop MGH, Biostat Ctr, Boston, MA USA
[5] New Tokyo Hosp, Chiba, Japan
[6] Tsuchiura Kyodo Gen Hosp, Dept Cardiol, Tsuchiura, Ibaraki, Japan