[1] Catholic Univ Korea, Seoul St Marys Hosp, Div Vasc & Transplantat Surg, Dept Surg,Coll Med, 222 Banpodaero, Seoul 137701, South Korea
[2] Catholic Univ Korea, Daejeon St Marys Hosp, Div Vasc & Transplantat Surg, Dept Surg,Coll Med, Daejeon, South Korea