1. Departments of Pathology and Urology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
2. Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY, USA
3. Department of Urology, Yokohama City University School of Medicine, Yokohama, Japan
4. Department of Biology, University of Babylon College of Science for Women, Babylon, Iraq
5. Department of Biology, University of Baghdad College of Science, Baghdad, Iraq
6. Department of Urology, 2nd Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China