1. National Drug and Alcohol Research Centre, University of New South Wales, Sydney, Sydney, Australia
2. Population Health Sciences, University of Bristol, Bristol, United Kingdom
3. Kirby Institute, University of New South Wales, Sydney, Sydney, Australia
4. University of the Sunshine Coast, Sunshine Coast, Queensland, Australia
5. Consortium for Biomedical Research in Epidemiology and Public Health, Madrid, Spain
6. Department of Preventive Medicine and Public Health, Faculty of Medicine, Complutense University, Madrid, Spain
7. Clinical Research Unit for Anxiety and Depression, St Vincent's Hospital, Sydney, New South Wales, Australia
8. School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
9. University Department of General Medicine, University of Toulouse, Faculty of Medicine, Toulouse, France
10. Inserm UMR1027, University of Toulouse III, Faculty of Medicine, Toulouse, France
11. The School of Population & Global Health, The University of Western Australia, Perth, Australia
12. Department of Internal Medicine, Germans Trias i Pujol-IGTP University Hospital, Autonomous University of Barcelona, Barcelona, Spain
13. British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
14. Faculty of Health Sciences, Simon Fraser University, Vancouver, British Columbia, Canada
15. Epidemiological Monitoring Center on Addiction, Azienda Unità Sanitaria Locale Bologna, Mental Health Dipartimento Salute Mentale – Dipendenze Patologiche, Bologna, Italy
16. Italian Society on Addiction, Milan, Italy