1. Shenzhen Hospital of Southern Medical University, Shenzhen, Guangdong 518101, China
2. Department of Radiation Oncology, Nanfang Hospital of Southern Medical University, Guangzhou, Guangdong 510515, China
3. Department of Radiation Oncology the First Affiliated Hospital, The Sun Yat-sen University, Guangzhou 510080, China
4. Department of Rheumatology, Nanfang Hospital of Southern Medical University, Guangzhou, Guangdong 510515, China