1. School of Cancer Sciences, University of Birmingham, Birmingham, United Kingdom;
2. Centre for Clinical Haematology, Queen Elizabeth Hospital Birmingham, Birmingham, United Kingdom;
3. Oncology iMed, AstraZeneca Pharmaceuticals, Waltham, MA;
4. R&D Oncology iMed, AstraZeneca Pharmaceuticals, Alderley Park, United Kingdom;
5. Birmingham Heartlands Hospital, Birmingham, United Kingdom; and
6. Section of Experimental Haematology, Leeds Institute of Cancer and Pathology, University of Leeds, Leeds, United Kingdom