1. Centre for Health Service Studies, University of Kent, Canterbury, UK
2. School of Health & Life Sciences, Teesside University, Middlesbrough, UK
3. Centre for Applied Psychological Science, Teesside University, Middlesbrough, UK
4. Institute of Psychiatry, Psychology & Neuroscience, King’s College, London, UK
5. Population Health Sciences Institute, Newcastle University, Newcastle-upon-Tyne, UK
6. Faculty of Health, Liverpool John Moores University, Liverpool, UK
7. Institute of Alcohol Studies, London, UK
8. School of Social Sciences, Humanities & Law, Teesside University, Middlesbrough, UK
9. Northumberland, Tyne & Wear NHS Foundation Trust, St Nicholas Hospital, Newcastle-upon-Tyne, UK
10. Newcastle Clinical Trials Unit, Newcastle University, Newcastle-upon-Tyne, UK