1. Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.
2. Department of Tumor Pathology, Field of Oncology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan.
3. Department of Urology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.
4. Laboratory of Pathology, Fukuoka Wajiro Hospital, Fukuoka, Japan.
5. Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, Yamagata, Japan.
6. Department of Molecular Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.