1 Centre for Patient-Reported Outcome Research (CPROR), Institute of Applied Health Research Birmingham, University of Birmingham, Birmingham B15 2TT, UK.
2 National Institute for Health Research (NIHR) Applied Research Collaboration (ARC) West Midlands, University of Birmingham, Birmingham, UK.
3 Birmingham Health Partners Centre for Regulatory Science and Innovation, Birmingham, UK.
4 National Institute of Health Research (NIHR) Birmingham Biomedical Research Centre, University of Birmingham, University of Birmingham, Birmingham, UK B15 2TT.
5 University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK B15 2GW.
6 Warwick Medical School, University of Warwick, Coventry, UK CV4 7HL.
7 Department of Social Work and Social Care, University of Birmingham, Birmingham, UK B15 2TT.
8 National Institute for Health Research (NIHR) Surgical Reconstruction and Microbiology Research Centre (SRMRC), Birmingham, UK.