1. Biomedical Research Imaging Center and Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
2. Department of Radiology, Obstetrics and Gynecology Hospital, Fudan University, No. 419 Fang xie Road, Shanghai 200011, People’s Republic of China
3. ZhuJiang Hospital of Southern Medical University, Guangzhou, Guangdong 510280, People’s Republic of China
4. PET/CT Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510230, People’s Republic of China
5. Institute of Chemistry and BioMedical Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China