Erratum to: Histochem Cell Biol DOI 10.1007/s00418-013-1178-6

In the Acknowledgements section of the published paper, part of the grant source by the Grant Agency of the Czech Republic number was omitted. The complete grant source of the Grant Agency of the Czech Republic should read as P205/10/0348, P305/11/2232 and P205/13/20110S.