1. Department of Obstetrics and Gynecology Kanazawa University Graduate School of Medical Sciences Kanazawa Ishikawa Japan
2. Department of Obstetrics and Gynecology Tokyo Medical University Shinjuku Tokyo Japan
3. Department of Breast Surgery Kansai Medical University Hospital Hirakata Osaka Japan
4. Department of Breast and Endocrine Surgery Kanazawa Medical University Kahoku‐gun Ishikawa Japan
5. Department of Breast Surgery Kanazawa University Graduate School of Medical Sciences Kanazawa Ishikawa Japan
6. Department of Obstetrics and Gynecology St. Marianna University School of Medicine Kawasaki Japan
7. Department of Breast Oncology St. Marianna University School of Medicine Kawasaki Japan
8. Department of Obstetrics and Gynecology Tokushima University Graduate School of Biomedical Sciences Tokushima Japan
9. Division of Reproductive Medicine Hiroshima Prefectural Hospital Hiroshima Japan
10. IVF Nagata Clinic Fukuoka Japan
11. Kato Ladies Clinic Shinjuku‐ku Tokyo Japan
12. Kanazawa Tamago Clinic Kanazawa Japan
13. Kuramoto Women's Clinic Fukuoka Japan
14. Department of Gynecology National Hospital Organization Fukuokahigashi Medical Center Fukuoka Japan
15. Department of Gynecology & Obstetrics Kyoto University Graduate School of Medicine Kyoto Japan
16. Department of Obstetrics and Gynecology Yoshinogawa Medical Center Yoshinogawa Tokushima Japan