1. Maxillo-Facial Surgery Ward, Sokołowski Hospital, Sokołowskiego 4, 58-309 Wałbrzych, Poland
2. Department of Anaesthesiology and Intensive Care, Sokołowski Hospital, Sokołowskiego 4, 58-309 Wałbrzych, Poland
3. Department of Biostructure and Animal Physiology, Wrocław University of Environmental and Life Sciences, Kożuchowska 1, 51-631 Wrocław, Poland
4. Department of Rehabilitation and Orthopedics, Medical University of Lublin, Jaczewskiego 8, 20-954 Lublin, Poland
5. Department of Head and Neck Surgery, Otolaryngology Medical University, Wrocław Borowska 213, 50-556 Wrocław, Poland
6. Department of Pediatric Dentistry and Preclinical Dentistry, Wrocław Medical University, Krakowska 26, 50-425 Wrocław, Poland