1. Epidemiology and Genetics Unit, Department of Health Sciences, Seebohm Rowntree Building, University of York, UK
2. Department of Health Sciences, Seebohm Rowntree Building University of York, UK
3. Palliative Medicine, North Yorkshire and York PCT, UK
4. Department of Haematology, Queens Centre for Oncology and Haematology, Castle Hill Hospital, UK
5. Department of Haematology, York Hospital, UK