1. Myeloma Research Centre, Division of Molecular Pathology, The Institute of Cancer Research, London, United Kingdom;
2. Istituto di Ematologia Seràgnoli, Università degli Studi di Bologna, Policlinico S. Orsola-Malpighi, Bologna, Italy;
3. Clinical Immunology Service, University of Birmingham Medical School, Birmingham, United Kingdom;
4. Haematology Department, University of Newcastle, Newcastle-upon-Tyne, United Kingdom;
5. Clinical Trials Research Unit, University of Leeds, Leeds, United Kingdom; and
6. St. James’s University Hospital, Leeds, United Kingdom