1. Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan.
2. Faculty of Medicine, Assiut University, Assiut, Egypt.
3. Infectious Center, Kobe University Graduate School of Medicine, Kobe, Japan.
4. Department of Urology, Shinko Hospital, Kobe, Japan.
5. Department of Medicine, Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA.