Erratum

Following publication of this article [1], it has come to our attention that the affiliations for author Andrzej Lange were captured incorrectly, as being affiliated with only 3Lower Silesian Center for Cellular Transplantation with National Bone Marrow Donor Registry, Wroclaw 53–439, Poland. The correct affiliation is 2L. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw 53–114, Poland and 3Lower Silesian Center for Cellular Transplantation with National Bone Marrow Donor Registry, Wroclaw 53–439, Poland. The correct affiliations for each author can be seen above in the author list.