affiliation not provided to SSRN, Government of the United Kingdom - National Health Service (NHS), affiliation not provided to SSRN, University College London - University College London Hospitals NHS Foundation Trust, affiliation not provided to SSRN, affiliation not provided to SSRN, Royal National Orthopaedic Hospital NHS Trust, The University of Manchester and University College London - University College London Hospitals NHS Foundation Trust

University of Manchester, Faculty of Biology, Medicine and Health, School of Health Sciences, Division of Pharmacy and Optometry, Centre for Pharmacoepidemiology and Drug Safety, University of Manchester, Faculty of Biology, Medicine and Health, School of Health Sciences, Division of Pharmacy and Optometry, Centre for Pharmacoepidemiology and Drug Safety, The University of Manchester - Division of Psychology and Mental Health, The Christie NHS Foundation Trust, The University of Manchester, The University of Manchester, The University of Manchester - Division of Psychology and Mental Health and The University of Manchester - Manchester Academic Health Science Centre (MAHSC)