[1] Nicolaus Copernicus Univ Torun, Coll Med Bydgoszcz, Dept Med Biol & Biochem, Karlowicza 24, PL-85092 Bydgoszcz, Poland
[2] Nicolaus Copernicus Univ Torun, L Rydygier Coll Med Bydgoszcz, Dept Geriatr, Debowa 3, PL-85626 Bydgoszcz, Poland
[3] Nicolaus Copernicus Univ Torun, Coll Med Bydgoszcz, Dept Organ Chem, Jurasza 2, PL-85089 Bydgoszcz, Poland
[4] Med Univ Lublin, Dept Histol & Embriol, Radziwillowska 11, PL-20080 Lublin, Poland
[5] Mazovian State Univ Plock, Fac Hlth Sci, Plac Dabrowskiego 2, PL-09402 Plock, Poland