1. Department of Obstetrics and Gynecology; Gifu University Graduate School of Medicine; Gifu Japan
2. Department of Obstetrics and Gynecology, Saitama Medical Center; Saitama Medical University; Kawagoe Japan
3. Department of Obstetrics and Gynecology; Shiga University of Medical Science; Otsu Japan
4. Department of Obstetrics and Gynecology; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki Japan
5. Assisted Reproductive Technology Center; Okayama University; Okayama City Japan
6. Graduate School of Health Sciences; Okayama University; Okayama City Japan
7. Children’s Cancer Association of Japan; Tokyo Japan
8. Department of Oncology; National Center for Global Health and Medicine Hospital; Tokyo Japan
9. Department of Pediatrics; St. Luke’s International Hospital; Tokyo Japan
10. Department of Pediatrics; Toho University; Tokyo Japan
11. Department of Palliative Medicine; Osaka City General Hospital; Osaka Japan
12. Department of Urology, Graduate School of Medical Science; Kyoto Prefectural University of Medicine; Kyoto Japan
13. Clinical Research Center; National Hospital Organization Nagoya Medical Center; Nagoya Japan
14. Department of Obstetrics and Gynecology; St. Marianna University School of Medicine; Kawasaki Japan