[1] Duke Univ, Med Ctr, Durham, NC 27706 USA
[2] Duke Univ, Med Ctr, Div Cardiol, Durham, NC 27706 USA
[3] Univ Florida, Shands Jacksonville Cardiovasc Ctr, Gainesville, FL 32611 USA
[4] Univ Florida, Shands Jacksonville Cardiovasc Ctr, Div Cardiol, Gainesville, FL 32611 USA
[5] Univ Calif San Francisco, San Francisco, CA 94143 USA
[6] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[7] Baylor Coll Med, Houston, TX 77030 USA
[8] Hackensack Univ Med Ctr, Hackensack, NJ USA
[9] Temple Univ Hosp & Med Sch, Dept Cardiothorac Surg, Philadelphia, PA 19140 USA
[10] Univ Colorado, Boulder, CO 80309 USA
[11] Univ Colorado, Cardiac Cath Lab, Boulder, CO 80309 USA
[12] Mayo Clin, Rochester, FL USA
[13] Univ Oklahoma, Norman, OK 73019 USA
[14] Indiana Univ Sch Med, Krannert Inst Cardiol, Indianapolis, IN 46202 USA
[15] Duke Univ, Med Ctr, Div Cardiovasc Med, Durham, NC 27706 USA
[16] Vanderbilt Univ, Med Ctr, Dept Cardiac Surg, Nashville, TN 37212 USA