1. Centre for Statistics in Medicine and NIHR Biomedical Research Centre Oxford, NDORMS, University of Oxford, Oxford, United Kingdom
2. Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable (CIBERFes), Instituto Carlos III, Madrid, Spain
3. Gerència Territorial de Barcelona, Institut Català de la Salut, Barcelona, Spain
4. Fundació Institut Universitari per a la recerca a l’Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), Barcelona, Spain
5. Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain
6. Universitat de Barcelona, Barcelona, Spain
7. Musculoskeletal Research Unit, Institut Hospital del Mar d’Investigacions Mèdiques (IMIM), Barcelona, Spain
8. Internal Medicine Department, Institut Hospital del Mar d’Investigacions Mèdiques (IMIM), Barcelona, Spain
9. National Institute for Health Research (NIHR) Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford, United Kingdom
10. Department of Clinical Sciences Lund, Orthopedics, Clinical Epidemiology Unit, Faculty of Medicine, Lund University, Lund, Sweden
11. Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada
12. Women’s College Hospital Research Institute, Toronto, Toronto, Ontario, Canada
13. Department of Medical Informatics, Erasmus University Medical Center, Rotterdam, the Netherlands