Erratum to: Chromosoma

DOI 10.1007/s00412-014-0493-6

Addition to the Acknowledgements:

This work was supported by grants from the Ministero dell’Istruzione dell’Università e della Ricerca (MIUR-PRIN) and from the Consiglio Nazionale delle Ricerche (CNR-Progetto Bandiera Epigenomica).