[1] Med Univ Lublin, Dept Biochem & Mol Biol, Lublin, Poland
[2] Postgrad Sch Mol Med, Warsaw, Poland
[3] Med Univ Lublin, Children Orthopaed & Rehabil Dept, Lublin, Poland
[4] Univ Leuven, Dept Dev & Regenerat, Skeletal Biol & Engn Res Ctr, Lab Dev & Stem Cell Biol, Herestr 49, Leuven, Belgium