1. Department of Teleradiotherapy, Copernicus Memorial Hospital, 93-513 Lodz, Poland
2. Department of Radiotherapy, Chair of Oncology, Medical University of Lodz, 93-513 Lodz, Poland
3. Department of Pathology, Chair of Oncology, Medical University of Lodz, 93-513 Lodz, Poland
4. Department of Molecular Carcinogenesis, Medical University of Lodz, 93-513 Lodz, Poland
5. Laboratory of Molecular Biology, Centre for Innovative Research in Medical and Natural Sciences, University of Rzeszow, 35-959 Rzeszow, Poland
6. Department of General Genetics, Institute of Medical Sciences, College of Medical Sciences, University of Rzeszow, 35-959 Rzeszow, Poland
7. Brachytherapy Department, Greater Poland Cancer Centre, 61-866 Poznan, Poland