1. Department of Epidemiology, School of Public Health and Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, China
2. Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana
3. Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
4. Department of Neurology, Affiliated Hospital of North China University of Science and Technology, Hebei, China
5. Department of Epidemiology, School of Public Health, Taishan Medical College, Shandong, China
6. Department of Neurology, Kerqin District First People’s Hospital of Tongliao City, Inner Mongolia, China
7. Department of Neurology, Affiliated Hospital of Xuzhou Medical College, Jiangsu, China
8. Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana