1. Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University
2. Department of Epidemiology, School of Public Health and Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University
3. Department of Neurology, Affiliated Hospital of North China University of Science and Technology
4. Department of Epidemiology, School of Public Health, Chongqing Medical University
5. Department of Neurology, Affiliated Hospital of Nantong University
6. Department of Neurology, Affiliated Hospital of Xuzhou Medical University