1. Key Laboratory of Radiopharmaceuticals, Ministry of Education,
College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
2. Department of Nuclear Medicine, Chinese PLA General Hospital, Beijing 100853, P. R. China
3. Wuhan Institute for Neuroscience and Neuroengineering, South-Central University for Nationalities, Wuhan 430074, P. R. China
4. Beijing ZHIBO Bio-Medical Technology Co. Ltd., Beijing 102502, P. R. China