1. School of Healthcare, University of Leeds, Leeds, UK
2. Department of Health Sciences, University of York, York, UK
3. Sheffield Health and Social Care NHS Foundation Trust, Sheffield, UK
4. Tees, Esk and Wear Valleys Foundation NHS Trust, Stockton-on-Tees, UK
5. Leeds and York Partnership NHS Foundation Trust, Leeds, UK
6. Vale Royal Relative Support Group, Chester, UK
7. UK Centre for Tobacco and Alcohol Studies, University of Nottingham, Nottingham, UK