1. Department of Obstetrics and Gynecology Kanazawa University Graduate School of Medical Sciences Kanazawa Japan
2. Department of Breast Surgery Kansai Medical University Hospital Kansai Japan
3. Department of Breast and Endocrine Surgery Kanazawa Medical University Kanazawa Japan
4. Department of Breast Oncology, Division of Cancer Medicine Kanazawa University Graduate School of Medical Sciences Kanazawa Japan
5. Department of Gynecology National Hospital Organization Fukuokahigashi Medical Center Koga Japan
6. Department of Obstetrics and Gynecology Kyoto University Graduate School of Medicine Kyoto Japan
7. Department of Obstetrics and Gynecology Yoshinogawa Medical Center Yoshinogawa Japan