[1] Columbia Univ, Med Cntr, New York, NY USA
[2] Cardiovasc Rsch Fdn, New York, NY USA
[3] Abbott Vasc, Santa Clara, CA USA
[4] Wake Forest Univ Hlth Sci, Winston Salem, NC USA
[5] Erasmus Med Cntr, Thoraxctr, Rotterdam, Netherlands
[6] Union Mem Hosp, Baltimore, MD USA
[7] Abbott Vasc, Diegem, Belgium
[8] Christ Hosp, Heart & Vasc Cntr, Cincinnati, OH 45219 USA