Shuqui Qin1; Jin Li2; Aiping Zhou3; Yanqiao Zhang4; Xianglin Yuan5; Liangjun Zhu6; Baoli Qin7; Shan Zeng8; Lin Shen9; Ying Yuan10; Weibo Wang11; Jun Liang12; Xianwen Zhang13; Feng Ye14; Ping Chen15; Huaizhang Wang16; Zhenyan Yu17; Lu Yue18; Yong Fang19; Jianping Xiong20; Jianwei Yang21; Yiye Wan22; Xianli Yin23; Wenling Wang24; Nong Xu25; Xiaohong Wang26; Zemin Xiao27; Huafang Su28; Ying Wang29; Kangsheng Gu30; Shuiping Tu31; Zishu Wang32; Bo Liu33; Xiaohua Hu34; Weixian Liu35; Xiaofeng Li36

1.Department of Oncology, Nanjing Tianyinshan Hospital, Nanjing, Jiangsu, P. R. China.;
2.Department of Medical Oncology, Shanghai East Hospital, Shanghai, P. R. China.;
3.Department of Medical Oncology, Cancer Hospital Chinese Academy of Medical Sciences, Beijing, P. R. China.;
4.Department of Gastroenterology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, P. R. China.;
5.Department of Medical Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China.;
6.Department of Medical Oncology, Jiangsu Cancer Hospital, Nanjing, Jiangsu, P. R. China.;
7.Department of Gastroenterology, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning, P. R. China.;
8.Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, P. R. China.;
9.Department of Medical Oncology, Beijing Cancer Hospital, Beijing, P. R. China.;
10.Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, P. R. China.;
11.Department of Chemotherapy, Shandong Provincial Hospital, Jinan, Shandong, P. R. China.;
12.Department of Medical Oncology, Peking University International Hospital, Beijing, P. R. China.;
13.Department of Medical Oncology, Northern Jiangsu People's Hospital, Yangzhou, Jiangsu, P. R. China.;
14.Department of Medical Oncology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, P. R. China.;
15.Department of Medical Oncology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, P. R. China.;
16.Department of Integrated Chinese and Western Medicine, Henan Cancer Hospital, Zhengzhou, Henan, P. R. China.;
17.Department of Medical Oncology, Mudanjiang Tumor Hospital, Mudanjiang, Heilongjiang, P. R. China.;
18.Department of Oncology, Qingdao Municipal Hospital (Group), Qingdao, Shandong, P. R. China.;
19.Department of Medical Oncology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, P. R. China.;
20.Department of Medical Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, P. R. China.;
21.Department of Abdominal Oncology, Fujian Cancer Hospital, Fuzhou, Fujian, P. R. China.;
22.Department of Gastroenterology, Jiangxi Cancer Hospital, Nanchang, Jiangxi, P. R. China.;
23.Department of Gastroenterology and Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, P. R. China.;
24.Department of Abdominal Oncology, The Affiliated Hospital of Guizhou Medical University, Guizhou, Guizhou, P. R. China.;
25.Department of Medical Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, P. R. China.;
26.Department of Abdominal Oncology, Zhejiang Cancer Hospital, Hangzhou, Zhejiang, P. R. China.;
27.Department of Oncology, The First People's Hospital of Changde City, Changde, Hunan, P. R. China.;
28.Department of Radiotherapy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, P. R. China.;
29.Department of Medical Oncology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, P. R. China.;
30.Department of Medical Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, P. R. China.;
31.Department of Medical Oncology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P. R. China.;
32.Department of Medical Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, P. R. China.;
33.Department of Gastroenterology, Shandong Cancer Hospital & Institute, Jinan, Shandong, P. R. China.;
34.Department of Medical Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, P. R. China.;
35.Department of Medical Oncology, Binzhou People's Hospital, Binzhou, Shandong, P. R. China.;
36.Department of Medical Oncology, Quanzhou First Hospital, Quanzhou, Fujian, P. R. China.