1. The First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, China
2. Department of Radiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
3. Intelligent Imaging Medical Engineering Research Center of Gansu Province, Lanzhou, Gansu, China
4. Radiological Clinical Medicine Research Center of Gansu Province, Lanzhou, Gansu, China
5. Department of nuclear medicine, Second Hospital of LanZhou University, Lanzhou, Gansu, China
6. No.2 Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Hospital of Traditional Chinese Medicine), Guangzhou, Guangzhou, China
7. Baiyin City Central Hospital, Baiyin, Gansu, China