1. Department of Minimally Invasive Interventional Radiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, P. R. China;
2. Department of Interventional Radiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China;
3. Department of Radiotherapy, Cancer Center of Guangzhou Medical University, Guangzhou, Guangdong, P. R. China;
4. Department of Interventional Oncology, Sun Yat-sen University First Affiliated Hospital, Guangzhou, P. R. China;
5. Department of Interventional Radiology, Sun Yat-sen University Third Affiliated Hospital, Guangzhou, P. R. China