1. Department of Hematology Oncology, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo and University of Pavia, Pavia, Italy;
2. Cancer Genome Project, Wellcome Trust Sanger Institute, Hinxton, United Kingdom;
3. Department of Hematology, St James's Institute of Oncology, Leeds, United Kingdom;
4. Leukaemia & Lymphoma Research Molecular Hematology Unit, John Radcliffe Hospital, Oxford, United Kingdom;
5. Department of Hematology, Ninewells Hospital, Dundee, United Kingdom;
6. Department of Hematology, University of Cambridge, United Kingdom; and
7. Center for Hematology and Regenerative Medicine, Karolinska University Hospital, Stockholm, Sweden