1. Department of Obstetrics and Gynecology , Clinical Hospital Merkur , Zagreb , Croatia
2. School of Medicine, Catholic University of Croatia , Zagreb , Croatia
3. Collegium of the Surgical Sciences , Croatian Academy of Medical Sciences , Zagreb , Croatia
4. Department of Obstetrics and Gynecology , Clinical Hospital Center Zagreb , Zagreb , Croatia
5. Department of Gynaecology and Obstetrics , General Hospital Tešanj , Tešanj , Bosnia and Herzegovina