1. Department of Nephrology, China-Japan Union Hospital, Jilin University, Changchun , Jilin 130033 , China
2. Department of Nuclear Medicine, China-Japan Union Hospital, Jilin University , 126 Xiantai St., Changchun , Jilin 130033 , China
3. Department of Neurology, China-Japan Union Hospital, Jilin University , 126 Xiantai St., Changchun , Jilin 130033 , China