1. 1Department of Maxillofacial Surgery, Medical University of Lodz, ul. Zeromskiego 113, 90-549, Lodz, Poland
2. 2Independent Clinical Hospital, ul. Konarskiego 13, 05-400, Otwock, Poland
3. 3Department of Craniomaxillofacial and Oncological Surgery, Medical University of Lodz, ul. Kopcińskiego 22, 90-153, Lodz, Poland