1 | Student Scientific Circle of Heand and Neck Surgery;
Otolaryngology, Head and Neck Surgery Clinic;
4th Military Clinical Hospital, Wroclaw, Poland |
2 | Department of Maxillofacial Surgery, Otolaryngology, Head and Neck Surgery Clinic, 4th Military Clinical Hospital, Wroclaw, Poland |
3 | Department of Pathomorphology and Oncological Cytology, Faculty of Medicine, Wroclaw Medical University, Wroclaw, Poland |