1. Department of Nuclear Medicine, Shanghai Proton and Heavy Ion Center, Fudan University Shanghai Cancer Center, Shanghai 201315, China
2. Shanghai Key Laboratory of Radiation Oncology, Shanghai 201315, China
3. Shanghai Engineering Research Center of Proton and Heavy Ion Radiation Therapy, Shanghai 201315, China
4. Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Xuhui District, No. 270 Dong’an Road, Shanghai 200032, China