[1] Department of Surgery,
[2] Nippon Medical School Second Hospital,undefined
[3] 1-396 Kosugimachi,undefined
[4] Nakahara-ku,undefined
[5] Kawasaki,undefined
[6] Kanagawa 211-8533,undefined
[7] Japan,undefined
[8] Department of Surgery II,undefined
[9] Nippon Medical School,undefined
[10] 1-1-5 Sendagi,undefined
[11] Bunkyo-ku,undefined
[12] Tokyo 113-8603,undefined
[13] Japan,undefined