1. Department of Obstetrics and Gynecology , University Hospital “Sveti Duh” , Zagreb , Croatia
2. Clinic of Gynecology and Obstetrics , Clinical Center University of Sarajevo , Sarajevo , Bosnia and Herzegovina
3. Department of Gynecology , School of Medicine, Sarajevo School of Science and Technology , Sarajevo , Bosnia and Herzegovina
4. Neonatal Unit, Department of Obstetrics and Gynecology , Medical School University of Zagreb , Zagreb , Croatia