1. Department of Gynecology and Obstetrics
2. School of Medicine, University of Tuzla, Tuzla
3. Clinic for Gynecology and Obstetrics, University Clinical Centre Tuzla
4. School of Medicine, Croatian Catholic University Zagreb, Zagreb, Croatia
5. Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
6. Unit of Obstetrics and Gynecology, “Paolo Giaccone” Hospital, Palermo, Italy
7. Unit of Gynecologic Oncology, National Cancer Institute - IRCCS - Fondazione “G. Pascale”, Naples
8. Faculty of Medicine of Damascus University, Damascus, Syrian Arab Republic
9. Department of Obstetrics and Gynecology, Human reproduction Unit, Cantonal Hospital Zenica
10. University of Zenica, School of Medicine
11. Department of Anesthesiology, Reanimatology and Intensive Care, General Hospital Tešanj, Tešanj
12. Department of Obstetrics and Gynecology, Cantonal Hospital Zenica, Zenica, Bosnia and Herzegovina