1. From the Departments of Physical Medicine and Rehabilitation (Q.C.), Psychiatry (J.S.), and Neurology (Q.F., Q.X., J.H.), The First Affiliated Hospital of Soochow University, Suzhou; Department of Neurology (S.Z.), The Fourth Affiliated Hospital of Soochow University, Medical Center of Soochow University, Suzhou Dushu Lake Hospital; and Department of Epidemiology and Biostatistics (J.H.), School of Public Health, Medical College of Soochow University, Suzhou, China.