[1] Fukuoka Higashi Med Ctr, Dept Vasc Surg, 1-1-1 Chidori, Koga 8113195, Japan
[2] Kokura Mem Hosp, Dept Vasc Surg, Kitakyushu, Fukuoka, Japan
[3] Steel Mem Yawata Hosp, Dept Vasc Surg, Kitakyushu, Fukuoka, Japan
[4] Hiroshima Red Cross Hosp, Dept Surg, Hiroshima, Japan
[5] Atom Bomb Survivors Hosp, Hiroshima, Japan
[6] Matsuyama Red Cross Hosp, Dept Vasc Surg, Matsuyama, Ehime, Japan
[7] Nagoya Univ, Grad Sch Med, Div Vasc Surg, Dept Surg, Nagoya, Aichi 4648601, Japan
[8] Saiseikai Yahata Gen Hosp, Dept Vasc Surg, Kitakyushu, Fukuoka, Japan