1. Department of Urology, Kohka Public Hospital, Minakuchi-cho, Kohka, Shiga 528-0074, Japan
2. Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Setatsukinowa-cho, Otsu, Shiga 520-2192, Japan
3. Division of Microbiology and Infectious Diseases, Shiga University of Medical Science, Setatsukinowa-cho, Otsu, Shiga 520-2192, Japan
4. Division of Molecular and Diagnostic Pathology, Shiga University of Medical Science, Setatsukinowa-cho, Otsu, Shiga 520-2192, Japan
5. Division of Urology, Shiga University of Medical Science, Setatsukinowa-cho, Otsu, Shiga 520-2192, Japan