1. Institute of Physics, Jan Kochanowski University, Świętokrzyska 15, 25-406 Kielce, Poland
2. Holycross Cancer Center, S. Artwińskiego 3, 25-734 Kielce, Poland
3. Institute of Public Health, Jan Kochanowski University, al. IX Wieków Kielc 19, 25-317 Kielce, Poland