1. Department of Radiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No. 107 Yanjiang Road West, Guangzhou, China
2. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No. 107 Yanjiang Road West, Guangzhou, China
3. Department of Medical Imaging, Guangdong 999 Brain Hospital, No. 578 Shatai Road South, Guangzhou, China
4. Department of Medical Statistics, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan II Road, Guangzhou, China