1. Department of Nuclear Medicine, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, No. 301 Yan-chang-zhong Road, Shanghai 200072, People’s Republic of China
2. Institute of Nuclear Medicine, Tongji University School of Medicine, No. 301 Yan-chang-zhong Road, Shanghai 200072, People’s Republic of China
3. Key Laboratory of Radiation Physics and Technology, Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, People’s Republic of China