1. 1. Centre for Statistics in Medicine (CSM), Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences 2.Department of Medical Informatics, Erasmus University, Rotterdam
2. Centre for Statistics in Medicine and NIHR Biomedical Research Centre Oxford, NDORMS, University of Oxford
3. University of Oxford
4. London School of Hygiene and Tropical Medicine
5. Nuffield Department of Population Health, University of Oxford
6. Centre for Statistics in Medicine , University of Oxford
7. Medical Research Council Epidemiology Unit, Institute of Metabolic Science, University of Cambridge School of Clinical Medicine, University of Cambridge
8. MRC Epidemiology Unit
9. Infectious Diseases Department & irsiCaixa AIDS Research Institute, Hospital Universitari Germans 13 Trias i Pujol