1. Department of Neurology, The First Hospital of Jilin University, Changchun, Jilin, P.R. China
2. Department of Ophthalmology, The First Hospital of Jilin University, Changchun, Jilin, P.R. China
3. Department of Internal Medicine, College of Medicine, and Markey Cancer Center, University of Kentucky, Lexington, KY, USA
4. Division of Clinical Research, The First Hospital of Jilin University, Changchun, Jilin, P.R. China