1. Division of Genetics and Epidemiology, The Institute of Cancer Research, Sutton, Surrey, UK
2. Centre of Bioinformatics and Systems Biology, Department of Life Sciences, Imperial College London, London, UK
3. Division of Molecular Pathology, The Institute of Cancer Research, Sutton, Surrey, UK
4. The Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
5. Department of Haematology, Newcastle University, Newcastle, UK