1. Department of Immunology, Jilin Medical University, Yanji, Yanbian, Jilin 133002, P.R. China
2. Department of Immunology, Institute of Medicine, Yanbian University, Yanji, Yanbian, Jilin 133002, P.R. China
3. Department of Urology Surgery, Affiliated Hospital of Jilin Medical University, Jilin City, Jilin 132013, P.R. China