1. State Key Laboratory of Cognitive Neuroscience and Learning Beijing Normal University Beijing China
2. BABRI Centre Beijing Normal University Beijing China
3. Department of Nuclear Medicine, Beijing Tiantan Hospital Capital Medical University Beijing China
4. Banner Alzheimer's Institute Phoenix Arizona USA
5. Institute of Basic Research in Clinical Medicine China Academy of Chinese Medical Sciences Beijing China
6. Department of Radiology Xuanwu Hospital of Capital Medical University Beijing China