1. Department of Neurosurgery and Neurotraumatology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznan, Poland
2. Department of Forensic Medicine, Poznan University of Medical Sciences, Rokietnicka 10, 60-806 Poznan, Poland
3. Department of Maxillofacial Surgery, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznan, Poland
4. Department of Conservative Dentistry and Endodontics, Poznan University of Medical Sciences, Bukowska 70, 60-812 Poznan, Poland