1. Department of Urology, Fujian Medical University Union Hospital, Fuzhou, P.R. China;
2. Department of Gynaecology, Fujian Provincial Maternity and Children’s Hospital, Fuzhou, P.R.China;
3. Fujian Provincial Key Laboratory on Hematology, Department of Hematology, Fujian Institute of Hematology, Fujian Medical University Union Hospital, Fuzhou, P.R. China;
4. Department of Urology, Fujian Medical University Union Hospital, Fuzhou, P.R. China