1. Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
2. Unit of Academic Primary Care, Warwick Medical School, University of Warwick, Coventry, UK
3. School of Social and Political Science, University of Edinburgh, Edinburgh, UK
4. Saïd Business School, University of Oxford, Oxford, UK
5. Department of Thematic Studies, Linköping University, Linköping, Sweden
6. Department of Paediatrics, University of Oxford, Oxford, UK
7. Lay representative, UK
8. Health Services Research Unit, University of Aberdeen, Aberdeen, UK