1. Department of General Surgery and Surgical Oncology, Karol Marcinkowski University Hospital, Zielona Gora, Poland
2. Department of Surgical Oncology, Breast Cancer Unit, Cancer Center, Copernicus Memorial Hospital, Lodz, Poland
3. Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland
4. Department of Oncology Physiotherapy, Medical University of Lodz, Poland Dept of Head and Neck Cancer Surgery