1. Department of Dental Prosthetics, Consulting Room of Temporomandibular Joint Dysfunctions, Medical College, Jagiellonian University, 4 Montelupich Street, 31-155 Krakow, Poland
2. Cranio-Maxillofacial Surgery, Medical College, Jagiellonian University, 1 Zlotej Jesieni Street, 31-826 Krakow, Poland
3. Department of Dental Surgery, Wroclaw Medical University, 26 Krakowska Street, 50-425 Wroclaw, Poland