1. Department of Obstetrics and Gynecology, Clinical Hospital Center Split, 21 000 Split, Croatia
2. Department of Obstetrics and Gynecology, Clinical Hospital Center Zagreb, 10 000 Zagreb, Croatia
3. School of Medicine, Catholic University of Croatia, Ilica 242, 10 000 Zagreb, Croatia
4. Department of Obstetrics and Gynecology, General Hospital Dubrovnik, 20 000 Dubrovnik, Croatia
5. School of Medicine, University of Split, Soltanska 2, 21 000 Split, Croatia
6. University Department of Health Studies, University of Split, R. Boskovica 35, 21 000 Split, Croatia