Affiliation: | 1. Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan;2. Department of Urology, Graduate School of Medicine, Kumamoto University, Kumamoto, Japan;3. Department of Clinical Chemistry and Laboratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan;4. Department of Urology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan |