[1] Univ Hawaii, John A Burns Sch Med, Honolulu, HI 96813 USA
[2] Vein Inst Toronto, Toronto, ON, Canada
[3] Univ Western Ontario, Toronto, ON, Canada
[4] Peterborough Reg Hlth Ctr, Peterborough, ON, Canada
[5] Univ Med & Dent New Jersey, New Jersey Med Sch, Dept Surg, Newark, NJ 07103 USA
[6] Washington Univ, Sch Med, Edward Mallinckrodt Inst Radiol, St Louis, MO 63110 USA
[7] Englewood Hosp & Med Ctr, Ctr Vein Dis, Englewood, NJ USA
[8] Mt Sinai Sch Med, New York, NY USA
[9] Cornell Univ, Weill Med Coll, New York, NY USA
[10] Univ N Carolina, Med Ctr, Chapel Hill, NC 27515 USA
[11] Tufts Univ, SOM, Baystate Hlth Syst, Springfield, MA USA
[12] Univ Washington, Sch Med, Dept Surg, Seattle, WA 98195 USA
[13] Indiana Univ, Div Vasc Surg, Indianapolis, IN 46204 USA
[14] NYU, Sch Med, NYU Med Ctr, Sect Intervent Radiol, New York, NY USA