1. Key Laboratory of Radiopharmaceuticals, Ministry of Education, Beijing Normal University, Beijing 100875, China
2. Department of Nuclear Medicine, Chinese PLA General Hospital, Beijing 100853, China
3. HighTech Atom Co., Ltd., Beijing 102413, China
4. Department of Anatomy and Neurobiology, Xiangya School of Medicine, Central South University, Changsha, Changsha 410013, China
5. Center for Advanced Quantum Studies and Department of Physics, Beijing Normal University, Beijing 100875, China