[1] Sun Yat Sen Univ, Dept Med Oncol, Ctr Canc, Guangzhou, Guangdong, Peoples R China
[2] Aichi Canc Ctr Hosp, Dept Clin Oncol, Nagoya, Aichi, Japan
[3] Univ Ulsan, Dept Oncol, Asan Med Ctr, Coll Med, Seoul, South Korea
[4] Samsung Med Ctr, Dept Med, Seoul, South Korea
[5] First Peoples Hosp Foshan, Dept Gastrointestinal Oncol, Foshan, Peoples R China
[6] Seoul Natl Univ Hosp, Internal Med, Seoul, South Korea
[7] Sano Hosp, Gastrointestinal Canc Ctr, Surg, Kobe, Hyogo, Japan
[8] Sun Yat Sen Univ, Affiliated Hosp 6, Dept Med Oncol, Guangzhou, Guangdong, Peoples R China
[9] Yonsei Univ, Severance Hosp, Dept Internal Med, Seoul, South Korea
[10] Aizawa Hosp, Aizawa Comprehens Canc Ctr, Matsumoto, Nagano, Japan
[11] Tianjin Med Univ, Canc Inst & Hosp, Dept Digest Oncol, Tianjin, Peoples R China
[12] Chonnam Natl Univ Hosp, Hematol Oncol, Gwanju, South Korea
[13] Natl Hosp Org Osaka Natl Hosp, Colorectal Surg, Osaka, Japan
[14] Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Abdominal Oncol, Wuhan, Hubei, Peoples R China
[15] Seoul Natl Univ, Bundang Hosp, Coll Med, Internal Med, Seongnam, South Korea
[16] Fujita Hlth Univ Hosp, Surg, Toyoake, Aichi, Japan
[17] Zhejiang Univ, Affiliated Hosp 1, Dept Med Oncol, Hangzhou, Zhejiang, Peoples R China
[18] Kyoto Univ, Med Stat & Bioinformat, Kyoto, Japan
[19] Natl Canc Ctr, Dept Expt Therapeut, Tokyo, Japan
[20] Tokai Cent Hosp, Kakamigahara, Japan