1. Department of Sociology, Durham University, Stockton Road, Durham DH1 3LE, UK
2. Wolfson Research Institute for Health and Wellbeing, Durham University, Stockton Road, Durham DH1 3LE, UK
3. Durham Research Methods Centre, Durham University, Stockton Road, Durham DH1 3LE, UK
4. Centre for the Evaluation of Complexity Across the Nexus, University of Surrey, Guildford GU2 7XH, UK