1. Department of Perinatology, Division of Gynaecology and Perinatology; University Medical Centre Maribor; Maribor Slovenia
2. Laboratory of Medical Genetics; University Medical Centre Maribor; Maribor Slovenia
3. Department of Radiology; University Medical Centre Ljubljana; Ljubljana Slovenia
4. Institute of Pathology, Faculty of Medicine; University of Ljubljana; Ljubljana Slovenia
5. Department of Perinatology, Division of Obstetrics and Gynaecology; University Medical Centre Ljubljana; Ljubljana Slovenia
6. Faculty of Medicine; University of Maribor; Maribor Slovenia