1. Department of Nuclear Medicine, The First Medical Centre, Chinese PLA General Hospital, Fuxing Road 28, Beijing 100853, China
2. Medical School of Chinese PLA, Fuxing Road 28, Beijing 100853, China
3. Diagnostic Imaging, Siemens Healthineers Ltd., Beijing 100102, China
4. Department of Radiology, The First Medical Centre, Chinese PLA General Hospital, Fuxing Road 28, Beijing 100853, China