1. Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, Nanning, People's Republic of China
2. Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
3. Faculty of Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
4. Affiliated Wuming Hospital of Guangxi Medical University, Nanning, People's Republic of China
5. Key Laboratory of Early Prevention and Treatment for Regional High-Incidence-Tumor, Guangxi Medical University, Ministry of Education, Nanning, People's Republic of China