1 Department of Biochemistry and Molecular Biology, Centre of Postgraduate Medical Education, ul. Marymoncka 99/103, 01-813, Warsaw, Poland.
2 Masovian Specialist Hospital in Ostroleka, Ostroleka, Poland.
3 Department of Biochemistry and Molecular Biology, Centre of Postgraduate Medical Education, ul. Marymoncka 99/103, 01-813, Warsaw, Poland. Electronic address: apiekielko@cmkp.edu.pl.