1. Department of Medical Technology; Ehime Prefectural University of Health Sciences; Ehime; Japan
2. Department of Pathology; Matsuyama Red Cross Hospital; Ehime; Japan
3. Department of Pathology; Kanazawa University Hospital; Ishikawa; Japan
4. Department of Pathology; Kurume University Medical Center; Fukuoka; Japan
5. Department of Pathology; Saiseikai Noe Hospital; Imperial Gift Foundation Inc.; Osaka; Japan
6. Department of Gynaecology; Suzuka General Hospital; Mie; Japan
7. Department of Obstetrics and Gynecology; Saiseikai Shiga Hospital; Imperial Gift Foundation Inc.; Shiga; Japan
8. Department of Pathology; Saiseikai Shiga Hospital; Imperial Gift Foundation Inc.; Shiga; Japan