1. Department of Radiology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
2. Graduate College, Southern Medical University, Guangzhou, 510515, China
3. School of Medicine, South China University of Technology, Guangzhou, Guangdong, 510006, China
4. Department of Radiology, The Affiliated Guangzhou First People’ Hospital, Guangzhou Medical University, Guangzhou, 510180, China
5. Key Laboratory of Molecular Imaging, Chinese Academy of Sciences, Beijing, 100190, China