1. Division of Anatomical and Surgical Pathology; Yokohama City University Hospital; 3-9, Fukuura, Kanazawa-ku Yokohama 236-0004 Japan
2. Department of Pathology; Yokohama City University Graduate School of Medicine; 3-9 Fukuura, Kanazawa-ku Yokohama 236-0004 Japan
3. Department of Human Genetics; Yokohama City University Graduate School of Medicine; 3-9 Fukuura, Kanazawa-ku Yokohama 236-0004 Japan
4. Department of Urology; Yokohama City University Graduate School of Medicine; 3-9 Fukuura, Kanazawa-ku Yokohama 236-0004 Japan
5. Department of Surgical Pathology; Tokyo Women's Medical University Hospital; 8-1 Kawada-cho, Shinjuku-ku Tokyo 162-8666 Japan