1 Clinic of Cranio-Maxillofacial and Oncological Surgery, Medical University of Lodz, Lodz, Poland. Head of the Department: Prof. Piotr Arkuszewski MD, PhD; Department of Cranio-Maxillofacial and Oncological Surgery, Norbert Barlicki Memorial Teaching Hospital No. 1, Lodz, Poland. Head of the Department: Bogna Zielińska-Kaźmierska MD, PhD.
2 Department of Cranio-Maxillofacial and Oncological Surgery, Norbert Barlicki Memorial Teaching Hospital No. 1, Lodz, Poland. Head of the Department: Bogna Zielińska-Kaźmierska MD, PhD.
3 Clinic of Cranio-Maxillofacial and Oncological Surgery, Medical University of Lodz, Lodz, Poland. Head of the Department: Prof. Piotr Arkuszewski MD, PhD.