1. Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
2. Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
3. Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
4. Center for Cohort Studies, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan