1. Department of Molecular Imaging and Nuclear Medicine, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Tianjin’s Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, 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