1. Department of Epidemiology, School of Public Health and Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Medical College of Soochow University, China (Y. Zhu, L.S., T.H., Y.J., P.Y., Q.Z., C.F., M.S., D.G., A.A., A.W., Y. Zhang, T. Xu, Z.Z.).
2. Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA (M.S., J.C., J.H., Z.Z.).
3. Department of Neurology, Affiliated Hospital of North China University of Science and Technology, Hebei, China (Y.P.).
4. Department of Medicine, Tulane University School of Medicine, New Orleans, LA (J.C., J.H.).