1. Department of Nuclear Medicine, First Hospital of Shanxi Medical University, Taiyuan,
2. Fenyang College of Shanxi Medical University, Fenyang,
3. Shanxi Medical University, Taiyuan, Shanxi,
4. CNNC High Energy Interest Equipment (Tianjin) Co., Ltd., Tianjin and
5. College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, Shanxi, China