1. 1Center for Hematology and Regenerative Medicine, Department of Medicine Huddinge, Karolinska Institutet, Huddinge, Sweden;
2. 2Department of Hematology, Karolinska University Hospital, Huddinge, Sweden;
3. 3Department of Laboratory Medicine, Division of Pathology, Karolinska University Hospital, Huddinge, Sweden; and
4. 4Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.