1. Department of Microbiology and Immunology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA;
2. Department of Pharmacology, National Medicines Institute, Warsaw, Poland;
3. Laboratory of Cytometry, Nencki Institute of Experimental Biology, Warsaw, Poland;
4. Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA;
5. Department of Biomedicine, University Hospital Basel/University of Basel, Basel, Switzerland;
6. Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, Faculty of Medicine, Rheinisch-Westfälische Technische Hochschule Aachen University, Aachen, Germany;
7. Department of Clinical Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA;
8. School of Medicine, University of Utah, Salt Lake City, UT;
9. Division of Hematology, Department of Medicine, School of Medicine, The Johns Hopkins University, Baltimore, MD; and
10. Cambridge Institute for Medical Research,
11. Wellcome–Medical Research Council Cambridge Stem Cell Institute, and
12. Department of Haematology, University of Cambridge, Cambridge, United Kingdom; and
13. Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA