1. Department of Obstetrics and Gynaecology, School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia;
2. Department of Obstetrics and Gynaecology, Cantonal Hospital Zenica, Zenica, Bosnia and Herzegovina;
3. Gynaecology Cabinet, Kosovo Ocupational Health Institute, Giakove, Kosovo;
4. Department of Obstetrics and Gynaecology, University Clinical Hospital Mostar, Mostar, Bosnia and Herzegovina