1. Central Laboratory; Xuanwu Hospital; Capital Medical University; Key Laboratory for Neurodegenerative Disease of Ministry of Education; Center of Alzheimer's Disease; Beijing Institute for Brain Disorders; Beijing China
2. Department of Geriatrics; Xuanwu Hospital; Capital Medical University; Beijing China
3. Department of Neurology; Xuanwu Hospital; Capital Medical University; Beijing China
4. Shenzhen Anqun Biotech CO., Ltd.; Shenzhen China
5. Department of Neurology; Beijing Chaoyanmen Hospital; Beijing China
6. Department of Clinical Laboratory; Xuanwu Hospital; Capital Medical University; Beijing China