1. UCL Collaborative Centre for Inclusion HealthInstitute of Epidemiology and Health Care UCL London UK
2. National Addictions Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London London UK
3. Centre for Primary Care and Public HealthQueen Mary University of London London UK
4. National Drug and Alcohol Research Centre (NDARC)University of New South Wales Randwick, NSW Australia
5. MRC/CSO Social and Public Health Sciences UnitUniversity of Glasgow Glasgow UK
6. Public Health InstituteLiverpool John Moores University Liverpool UK
7. Department of Public Health, Environments and SocietyLondon School of Hygiene and Tropical Medicine , London UK
8. Centre for Mental Health and SafetyThe University of Manchester Manchester UK
9. Department of Family and Community MedicineUniversity of California San Francisco CA USA
10. Centre for Epidemiology and Biostatistics, Melbourne School of Global and Population HealthThe University of Melbourne Melbourne Australia