1. Department of Nuclear Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
2. Department of Nuclear Medicine, Daping Hospital, Army Medical University, Chongqing 400042, China
3. State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, China
4. Department of Chemistry, Xiamen University, Xiamen 361005, China