1. 1st Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Papageorgiou General Hospital, Thessaloniki, Greece.
2. Department of Obstetrics and Gynecology, University of Crete, Herakleion University Hospital, Herakleion, Greece.
3. 3rd Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Hippokratio General Hospital, Thessaloniki, Greece.
4. Institute of Applied Biosciences, Centre for Research & Technology—Hellas, Thessaloniki, Greece.
5. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
6. 4th Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Hippokratio General Hospital, Thessaloniki, Greece.
7. Department of Neonatology, Hippokratio General Hospital, Midwifery Association of Thessaloniki, Thessaloniki, Greece.
8. Primary Health Care Unit 25th Martiou, Thessaloniki, Midwifery Network Coordinator, 4th Health District, Thessaloniki, Greece.
9. Department of Obstetrics and Gynecology, General Hospital of Komotini, Midwifery Association of Thrace, Komotini, Greece.
10. Department of Obstetrics and Gynecology, Hatzikosta General Hospital of Ioannina, Midwifery Association of Ioannina, Ioannina, Greece.
11. Health Center Palama, Midwifery Association of Larissa, Karditsa, Greece.
12. Department of Obstetrics and Gynecology, General Hospital of Chania, Midwifery Association of Crete, Chania, Greece.
13. Department of Obstetrics and Gynecology, General Hospital of Korinth, Midwifery Association of Nafplion, Korinth, Greece.
14. Department of Obstetrics and Gynecology, University of Thessaly, Larissa University Hospital, Larissa, Greece.
15. Department of Obstetrics and Gynecology, University of Ioannina, Ioannina University Hospital, Ioannina, Greece.
16. Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis University Hospital, Alexandroupolis, Greece.
17. 2nd Department of Obstetrics and Gynecology, National Kapodistrian University of Athens, Aretaieion Hospital, Athens, Greece.
18. Department of Obstetrics and Gynecology, University of Patras, Patras University Hospital, Patras, Greece.