1. School of Biomedical Engineering, Southern Medical University, Guangzhou, China
2. State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
3. Department of Radiation Oncology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
4. Department of Oncology, Center People’s Hospital of Zhanjiang, Zhanjiang, China