Institution: | [1]Department of Neurology, the First Norman Bethune Hospital of Jilin University, Changchun 130021, China [2]Department of Geriatric Medicine, the Affiliated Hospital of Changchun University of Chinese Medicine, Changchun130021, China [3]Department of Radiology, the First Norman Bethune Hospital of Jilin University, Changchun 130021, China |