Department of Neurology and State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy National Clinical Research Center for Geriatrics West China Hospital Sichuan University Chengdu 610041 China;
Department of Neurology West China Hospital Sichuan University Chengdu 610041 China;
Mental Health Center and West China Brain Research Center West China Hospital Sichuan University Chengdu 610041 China;
Department of Rehabilitation Medicine West China Hospital Sichuan University Chengdu 610041 China;
Mental Health Center and West China Brain Research Center West China Hospital Sichuan University Chengdu 610041 China;
Department of Neurology and State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy National Clinical Research Center for Geriatrics West China Hospital Sichuan University Chengdu 610041 China;
Tau; Phosphorylated tau 181; Alzheimer''s disease; Simoa; IMR; EIMAF/a-EIMAF; MSD; Plasma biomarker;