1. Department of Oral Surgery, Medical University of Gdansk, 7 Dębinki Street, 80-211 Gdansk, Poland
2. Department of Molecular Medicine, Medical University of Gdansk, 7 Dębinki Street, 80-211 Gdansk, Poland
3. Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, 435 Ripamonti Street, 20-141 Milan, Italy
4. Department of Oncology and Hemato-Oncology, University of Milan, 7 Festa del Perdono Street, 20-112 Milan, Italy
5. Department of Pathology, Medical University of Gdansk, 17 Smoluchowskiego Street, 80-214 Gdansk, Poland