1. Department of Oncology, Collegium Medicum, Jan Kochanowski University, Kielce, Poland.
2. Endocrinology Clinic of Holycross Cancer Centre, Kielce, Poland.
3. Department of Pathology, Holycross Cancer Centre, Kielce, Poland.
4. Division of Medical Biology, Institute of Biology, Jan Kochanowski University, Kielce, Poland.
5. Department of Molecular Diagnostics, Holycross Cancer Centre, Kielce, Poland.
6. Department of Mathematics, Faculty of Natural Sciences, Jan Kochanowski University, Kielce, Poland.
7. Department of General, Oncologic and Metabolic Surgery, Institute of Hematology and Transfusion Medicine, Warsaw, Poland.
8. Department of Clinical Oncology, Holycross Cancer Centre, Kielce, Poland.