1. School of Computing, University of Leeds , Leeds LS2 9JT, UK
2. Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford Royal Infirmary , Duckworth Ln, Bradford BD9 6RJ, UK
3. Yorkshire and Humber Patient Safety Translational Research Centre, Wolfson Centre for Applied Health Research, Bradford Royal Infirmary , Duckworth Ln, Bradford BD9 6RJ, UK
4. School of Psychology, University of Leeds , Woodhouse Lane, Leeds LS2 9JT, UK
5. Bradford Teaching Hospitals NHS Foundation Trust, Bradford Royal Infirmary , Duckworth Ln, Bradford BD9 6RJ, UK
6. Department of Computer Science, University of York , Heslington, York YO10 5DD, UK
7. Wolfson Centre for Applied Health Research, Bradford Royal Infirmary , Duckworth Ln, Bradford BD9 6RJ, UK
8. Faculty of Health Studies, University of Bradford , Richmond Rd, Bradford BD7 1DP, UK