1. Key Laboratory of Radiopharmacokinetics for Innovative Drugs, Chinese Academy of Medical Sciences, and Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, P. R. China
2. Department of Radiology, First Central Clinical College, Tianjin Medical University, Tianjin 300192, P. R. China
3. Department of Nuclear Medicine, Characteristic Medical Center of Chinese People's Armed Police Forces, Tianjin 300162, P. R. China
4. Department of Radiology, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin 300192, P. R. China
5. Radiation Oncology Department, Tianjin Medical University General Hospital, Tianjin 300052, P. R. China