University of Oxford - Rheumatology and Musculoskeletal Sciences, Fundació Institut Universitari per a la recerca a l'Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), Fundació Institut Universitari per a la recerca a l'Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), Fundació Institut Universitari per a la recerca a l'Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), Fundació Institut Universitari per a la recerca a l'Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), Fundació Institut Universitari per a la recerca a l'Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), Erasmus University Medical Center - Department of Medical Informatics, Erasmus University Medical Center - Department of Medical Informatics, University of Oxford - Centre for Statistics in Medicine, University of Oxford - Centre for Statistics in Medicine, University of Oxford - Rheumatology and Musculoskeletal Sciences and Fundació Institut Universitari per a la recerca a l'Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol)

University of Oxford - Centre for Statistics in Medicine, University of Oxford - Centre for Statistics in Medicine, University Hospital of Bellvitge - Bellvitge Biomedical Research Institute (IDIBELL), University Hospital of Bellvitge - Bellvitge Biomedical Research Institute (IDIBELL), University of Oxford - Centre for Statistics in Medicine, University of Oxford - Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, University of Bristol - School of Social and Community Medicine, University of Bristol - Department of Population Health Sciences, University of Oxford - Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), Clinical Practice Research Datalink (CPRD), University of Oxford - Centre for Statistics in Medicine, University of Oxford - Centre for Statistics in Medicine, Hospital del Mar, Autonomous University of Barcelona - Department of Nephrology, Carlos III Institute of Health - Center for Biomedical Network Research on Frailty and Healthy Aging (CIBERFES), CIBER-ISCIII, Carlos III Institute of Health - Center for Biomedical Network Research on Frailty and Healthy Aging (CIBERFES), CIBER-ISCIII, University of Oxford - Centre for Statistics in Medicine, University of Oxford - Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS) and University of Oxford - Rheumatology and Musculoskeletal Sciences