1. Medical Research Council, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom;
2. College of Medicine, Swansea University, Swansea, United Kingdom;
3. University College of London Cancer Institute, Department of Haematology, University College London, United Kingdom;
4. University of Kelaniya, Colombo, Sri Lanka;
5. National Thalassaemia Centre, District Hospital, Kurunegala, Sri Lanka;
6. Department of Biochemistry and Immunology, Birmingham Heartlands Hospital, Birmingham, United Kingdom;
7. University Health Network, University of Toronto, ON, Canada; and
8. School of Physics, University of Western Australia, Crawley, Australia