1. Department of Internal Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India;
2. Oxford Kidney Unit, Oxford University Hospitals, NHS Foundation Trust, Oxford, United Kingdom;
3. MRC Population Health Research Unit, Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, Headington, Oxford, United Kingdom;
4. Department of Haematology, Oxford University Hospitals, NHS Foundation Trust, Oxford, United Kingdom;
5. NIHR Biomedical Research Centres Blood Theme, Oxford, United Kingdom;
6. Department of Cellular Pathology, John Radcliffe Hospital, Oxford University Hospitals, NHS Foundation Trust, Oxford, United Kingdom; and
7. Oxford Myeloma Centre for Translational Research, Oxford, United Kingdom