1. Department of Neurology, Shandong Provincial Hospital, Cheeloo College of Medicine Shandong University Jinan Shandong P. R. China
2. Department of Neurology Shandong Provincial Hospital affiliated to Shandong First Medical University Jinan Shandong P. R. China
3. Shandong Provincial Clinical Research Center for Neurological Diseases Jinan Shandong P. R. China
4. Department of Neurology Shandong Second Provincial General Hospital Jinan Shandong P. R. China
5. Aging Research Center and Center for Alzheimer Research Department of Neurobiology, Care Sciences and Society Karolinska Institutet‐Stockholm University Stockholm Sweden