1. Department of Obstetrics and Gynecology, Clinical Hospital „Sveti Duh“, Zagreb, Croatia
2. School of Medicine, University of Zagreb, Zagreb, Croatia
3. Department of Obstetrics and Gynecology, General hospital Virovitica, Virovitica, Croatia
4. Department of Obstetrics and Gynecology, General hospital Tešanj, Tešanj, Bosnia and Herzegovina
5. Department for Anatomy, University of Tuzla School of Medicine, Tuzla, Bosnia and Herzegovina
6. Department of Obstetrics and Gynecology, Croatian Catholic University, University of Zagreb, Zagreb, Croatia