1. Paul O'Gorman Leukemia Research Centre, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom;
2. Department of Medicine A, Hematology, Oncology and Pneumology, University of Münster, Münster, Germany;
3. Department of Hematopoietic Stem Cell and Leukemia Research, City of Hope National Medical Center, Duarte, CA;
4. Hematology Department, Hôpital Edouard Herriot, Lyon, France; and
5. Institute of Genetics and Molecular Medicine, Edinburgh Cancer Research Centre, University of Edinburgh, Edinburgh, United Kingdom