1 Department of Obstetrics and Gynecology, Graduate School of Biomedical Sciences and Health Sciences, Hiroshima University, Hiroshima, Japan.
2 Department of Obstetrics and Gynecology, Hiroshima Prefectural Hospital, Hiroshima, Japan.
3 Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
4 Department of Applied Urology and Molecular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
5 Department of Oral and Maxillofacial Pathobiology, Basic Life Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
6 Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. kajioka@uro.med.kyushu-u.ac.jp.
7 Department of Applied Urology and Molecular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. kajioka@uro.med.kyushu-u.ac.jp.