[1] Gen Hosp Peoples Liberat Army, Dept Gastrointestinal Oncol, Med Ctr 5, Beijing, Peoples R China
[2] Peking Univ Canc Hosp & Inst, Dept GI Oncol, Beijing, Peoples R China
[3] Peking Union Med Coll Hosp, Dept Oncol, Beijing, Peoples R China
[4] Sun Yat Sen Univ, Collaborat Innovat Ctr Canc Med, State Key Lab Oncol South China, Dept Gastr Surg,Canc Ctr, Guangzhou, Guangdong, Peoples R China
[5] Fudan Univ, Shanghai Canc Ctr, Dept Pancreat & Hepatobiliary Surg, Shanghai, Peoples R China
[6] Sichuan Univ, West China Hosp, Dept Abdominal Oncol, Chengdu, Sichuan, Peoples R China
[7] Xi An Jiao Tong Univ, Affiliated Hosp 1, Dept Med Oncol, Xian, Shaanxi, Peoples R China
[8] Huazhong Univ Sci & Technol, Tongji Hosp, Tongji Med Coll, Dept Oncol, Wuhan, Hubei, Peoples R China
[9] Chinese Acad Med Sci, Canc Hosp, Natl Canc Ctr, Beijing, Peoples R China
[10] Peking Union Med Coll, Beijing, Peoples R China
[11] Nanjing Med Univ, Affiliated Hosp 1, Dept Oncol, Nanjing, Jiangsu, Peoples R China
[12] Fudan Univ, Zhongshan Hosp, Dept Gen Surg, Shanghai, Peoples R China
[13] Zhejiang Univ, Affiliated Hosp 1, Dept Med Oncol, Hangzhou, Zhejiang, Peoples R China
[14] Harbin Med Univ Canc Hosp, Dept Gastrointestinal Oncol, Harbin, Peoples R China
[15] Huazhong Univ Sci & Technol, Tongji Med Coll, Union Hosp, Canc Ctr, Wuhan, Hubei, Peoples R China
[16] Peking Univ, Hosp 3, Dept Gen Surg, Beijing, Peoples R China
[17] Shandong Univ, Qilu Hosp, Dept Med Oncol, Jinan, Peoples R China
[18] Hutchison MediPharma Ltd, Clin Dept & Regulatory Affairs, Shanghai, Peoples R China