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, Jiangsu Province, China
2. Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, USA
3. Department of Epidemiology, School of Public Health, Chongqing Medical University, Chongqing, China
4. Department of Neurology, Affiliated Hospital of Nantong University, Nantong, China
5. Department of Medicine, Tulane University School of Medicine, New Orleans, LA, USA