1. Addictions Department National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London London UK
2. Centre for Health Services Studies University of Kent Canterbury UK
3. Department of Public Health, College of Health Sciences, QU Health Qatar University Qatar
4. Institute of Alcohol Studies Alliance House London UK
5. Department of Clinical, Educational and Health Psychology University College London London UK
6. Northumberland Tyne and Wear NHS Foundation Trust, St Nicholas Hospital Newcastle upon Tyne UK
7. Institute of Health and Society, Baddiley‐Clark Building Newcastle University Newcastle upon Tyne UK
8. Paediatric Emergency Medicine Imperial College London, Queen Elizabeth the Queen Mother Wing, St Mary's Hospital London UK
9. School of Social Sciences, Humanities and Law Teesside University Middlesbrough UK
10. School of Psychology, Elizabeth Fry Building (AD) University of Surrey Guildford UK
11. Medical School Swansea University Swansea UK
12. Institute for Clinical and Applied Health Research University of Hull Hull UK
13. Swansea Centre for Health Economics, College of Human and Health Sciences Swansea University Swansea UK
14. South London and Maudsley NHS Foundation Trust London UK