Correction to: Virchows Archiv

https://doi.org/10.1007/s00428-019-02637-2

The Acknowledgments section of this article has been corrected to 1) correct the formatting of Arianna Di Napoli's name to 'Di Napoli A', and 2) to include the name of Alessandro Corsi which was omitted in the original Lazio Group of Haematopathologist list. No further changes have been made to the publication. The corrected Acknowledgments section is as follows: