1Arthritis Research UK Centre for Epidemiology, University of Manchester, Manchester, UK
2School of Computer Science, University of Manchester, Manchester, UK
3NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester, UK
4Epidemico Inc., Boston, MA USA
5Health eResearch Centre, Manchester, UK
6Rheumatology Department, Salford Royal NHS Foundation Trust, Salford, UK
© The Author(s) 2018
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