[1] Acad Comm Japan Soc Endoscop Surg, Yufu, Japan
[2] Oita Univ, Dept Gastroenterol & Pediat Surg, Fac Med, Yufu, Japan
[3] Kyushu Univ, Dept Surg, Beppu Hosp, Beppu, Oita, Japan
[4] Oita Prefectural Hosp, Dept Gastroenterol Surg, Oita, Japan
[5] Nippon Med Sch, Dept Obstet & Gynecol, Tokyo, Japan
[6] Saitama Med Univ, Dept Gastroenterol Surg, Int Med Ctr, Saitama, Japan
[7] Osaka Univ, Dept Gastroenterol Surg, Grad Sch Med, Osaka, Japan
[8] Yotsuya Med Cube, Weight Loss & Metab Surg Ctr, Tokyo, Japan
[9] Nagasaki Univ, Dept Surg, Grad Sch Biomed Sci, Nagasaki, Japan
[10] Keio Univ, Dept Surg, Sch Med, Tokyo, Japan
[11] Nagoya City Univ, Dept Gastroenterol Surg, Med Sch Med, Nagoya, Aichi, Japan
[12] Kagoshima Univ, Dept Pediat Surg, Res Field Med & Hlth Sci, Med & Dent Area,Res & Educ Assembly, Kagoshima, Japan
[13] Jichi Med Univ, Dept Gen Thorac Surg, Shimotsuke, Tochigi, Japan
[14] Tokai Univ, Dept Gen Thorac Surg, Sch Med, Isehara, Kanagawa, Japan
[15] Univ Tsukuba, Dept Thorac Surg, Tsukuba, Ibaraki, Japan
[16] Osaka Int Canc Inst, Dept Breast & Endocrine Surg, Osaka, Japan
[17] Kaizuka Hosp, Dept Breast Surg, Fukuoka, Fukuoka, Japan
[18] Tokyo Bay Urayasu Ichikawa Med Ctr, Dept Cardiovasc Surg, Urayasu, Japan
[19] Tokushima Univ, Grad Sch Biomed Sci, Dept Urol, Tokushima, Japan
[20] Oita Univ, Dept Urol, Fac Med, Yufu, Japan
[21] Kawasaki Med Sch, Dept Orthoped Surg, Okayama, Japan
[22] Toho Univ, Dept Orthoped Surg, Sch Med, Tokyo, Japan
[23] Toho Univ, Dept Plast & Reconstruct Surg, Sch Med, Tokyo, Japan
[24] Saga Univ, Fac Med, Dept Plast & Reconstruct Surg, Saga, Japan
[25] Kitakyushu Cent Hosp, Kitakyushu, Fukuoka, Japan
[26] Natl Hosp Org Tokyo Med Ctr, Tokyo, Japan
[27] Oita Univ, Yufu, Japan
[28] Kitasato Univ, Kitasato Inst Hosp, Tokyo, Japan