[1] Univ Rochester, Med Ctr, Div Cardiovasc Dis, 601 Elmwood Ave, Rochester, NY 14642 USA
[2] Temple Univ Hosp & Med Sch, Dept Med, Philadelphia, PA 19140 USA
[3] Univ Rochester, Med Ctr, Dept Surg, Vasc Surg Sect, Rochester, NY 14642 USA
[4] Temple Univ Hosp & Med Sch, Div Cardiovasc Dis, Philadelphia, PA 19140 USA