1. Department of Gynecology and Obstetrics , University Hospital and School of Medicine, University of Split , Split , Croatia
2. Institute for Pathology, University Hospital and School of Medicine , Split , Croatia
3. Department of Gynecology and Obstetrics , University Hospital Center “Sisters of Mercy” , Zagreb , Croatia
4. Department of Obstetrics and Gynecology , Fetomaternal Medical Center, Helsinki University Hospital and University of Helsinki , Helsinki , Finland