1. Department of Maxillofacial and Oral Surgery, University Hospital Centre Osijek, 31000 Osijek, Croatia
2. Faculty of Medicine Osijek, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
3. Department of Ophtalmology, University Hospital Centre Osijek, 31000 Osijek, Croatia
4. Department of Neurology, University Hospital Centre Osijek, 31000 Osijek, Croatia