[1] George Washington Univ, Sch Med, Div Cardiol, Washington, DC 20052 USA
[2] Univ Texas Southwestern Med Ctr Dallas, Div Cardiothorac Imaging, Dept Radiol, Dallas, TX 75390 USA
[3] Univ Washington, Med Ctr, Dept Med, Div Cardiol, Seattle, WA 98195 USA
[4] Innsbruck Med Univ, Dept Radiol, Vienna, Austria
[5] Massachusetts Gen Hosp, Div Cardiovasc Imaging, Boston, MA 02114 USA
[6] Stanford Univ, Dept Cardiovasc Med & Radiol, Stanford, CA 94305 USA
[7] Univ Milan, Ctr Cardiol Monzino IRCCS, Dept Cardiovasc Imaging, Milan, Italy
[8] Univ Virginia Hlth Syst, Div Cardiovasc Med, Charlottesville, VA USA
[9] Univ Edinburgh, British Heart Fdn Ctr Cardiovasc Sci, Edinburgh, Midlothian, Scotland