1. Department of Orthodontics, Health Centre Maribor, Maribor, Slovenia
2. Medical Faculty, University of Maribor, Maribor, Slovenia
3. Department of Maxillofacial and Oral Surgery, Teaching Hospital Celje, Celje, Slovenia
4. Department of Gynaecologic and Breast Oncology, Clinical Department of Gynaecology and Perinatology, University Clinical Centre Maribor, Maribor, Slovenia