1. Department of Molecular Imaging and Nuclear Medicine, Tianjin Medical University Cancer Institute and Hospital; National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy; Tianjin’s Clinical Research Center for Cancer,Tianjin 300060, P.R. China
2. Tianjin Medical University, Tianjin 300203, P.R. China
3. Department of Neurosurgery Tianjin Medical University General Hospital, Tianjin 300052, P.R. China