1. Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
2. Evidence-Based Medical Center, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
3. Beijing Geriatric Medical Research Center, Beijing 100053, China
4. Clinical Laboratory, Affiliated Hospital of Guilin Medical University, Guilin 541001, China
5. Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
6. Center of Alzheimer’s Disease, Beijing Institute for Brain Disorders, Beijing 100053, China