1. Department of Oncology, Tangdu Hospital, Air Force Medical University, Xi’an, China
2. Department of Radiotherapy, The Second Affiliated Hospital, Shanxi Medical University, Taiyuan, China
3. Department of Oncology, The First Affiliated Hospital, China University of Science and Technology, Hefei, China
4. The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University and Clinical Cancer Institute of Nanjing University, Nanjing, China
5. Department of Oncology, The People’s Hospital of Sichuan Province, Chengdu, China
6. Department of Oncology, The First Affiliated Hospital, Shanxi Medical University, Taiyuan, China
7. Department of Oncology, Xijing Hospital, Air Force Medical University, Xi’an, China
8. Cancer Center, The First Affiliated Hospital, Jilin University, Changchun, China
9. Digestive Disease Center, Wuxi Mingci Hospital, Wuxi, China