1 Department of Ophthalmology, The Second Hospital of Jilin University, 218#Ziqiang Street, Nanguan District, Changchun 130041, PR China.
2 Tumor and Hematology, The Second Hospital of Jilin University, 218#Ziqiang Street, Nanguan District, Changchun 130041, PR China.
3 Electrical Diagnosis, The Second Hospital of Jilin University, 218#Ziqiang Street, Nanguan District, Changchun 130041, PR China.
4 Department of Ophthalmology, The Second Hospital of Jilin University, 218#Ziqiang Street, Nanguan District, Changchun 130041, PR China. Electronic address: liushu515@126.com.