1. Department of Gynecology, St. Luke’s International Hospital Branch Clinic, St. Luke’s MediLocus, Tokyo, Japan.
2. Department of Obstetrics and Gynecology, Nihon University, Tokyo, Japan.
3. Fukushima Medical Center for Children and Women, Fukushima Medical University, Fukushima, Japan.
4. Department of Obstetrics and Gynecology, Tokyo Rosai Hospital, Tokyo, Japan.
5. Center for Gender-Specific Medicine, Fukushima Medical University, Fukushima, Japan.
6. Department of Obstetrics and Gynecology, Tokushima University Graduate School, Tokushima, Japan.
7. Advanced Research Center for Innovations in Next-Generation Medicine, Tohoku University, Miyagi, Japan.
8. Department of Obstetrics and Gynecology, St. Marianna University School of Medicine, Kanagawa, Japan.