1. Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
2. The Healthcare Improvement Studies Institute, University of Cambridge, Cambridge, United Kingdom
3. Primary Care Research Group, University of Southampton, Southampton, United Kingdom
4. Radcliffe Department of Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
5. Institute of Applied Health Research, University of Birmingham, Birmingham, United Kingdom
6. Primary Care Population Sciences and Medical Education Unit, University of Southampton, Southampton, United Kingdom
7. Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
8. Centre for Academic Primary Care, Population Health Sciences, University of Bristol, Bristol, United Kingdom
9. Patient and public involvement representative, London, United Kingdom