Wardle H., School of Social and Political Sciences, University of Glasgow, Glasgow, United Kingdom; Degenhardt L., National Drug and Alcohol Research Centre, University of New South Wales, Sydney, NSW, Australia; Marionneau V., Centre for Research on Addiction, Control and Governance, University of Helsinki, Helsinki, Finland; Reith G., School of Social and Political Sciences, University of Glasgow, Glasgow, United Kingdom; Livingstone C., School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia; Sparrow M., Harvard Kennedy School, Harvard University, Cambridge, MA, United States; Tran L.T., National Drug and Alcohol Research Centre, University of New South Wales, Sydney, NSW, Australia; Biggar B., School of Social and Political Sciences, University of Glasgow, Glasgow, United Kingdom; Bunn C., School of Social and Political Sciences, University of Glasgow, Glasgow, United Kingdom, Malawi Epidemiology and Intervention Research Unit, Lilongwe, Malawi; Farrell M., National Drug and Alcohol Research Centre, University of New South Wales, Sydney, NSW, Australia; Kesaite V., School of Social and Political Sciences, University of Glasgow, Glasgow, United Kingdom, Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom; Poznyak V., Alcohol, Drugs and Addictive Behaviours Unit, WHO, Geneva, Switzerland; Quan J., School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China; Rehm J., Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, ON, Canada, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada, Department of Psychiatry, University of Toronto, Toronto, ON, Canada, Center for Interdisciplinary Addiction Research, University Medical Center Hamburg–Eppendorf, Hamburg, Germany; Rintoul A., School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia, Health Innovation and Transformation Centre, Federation University, Churchill, VIC, Australia, Centre for Mental Health and Community Wellbeing, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, VIC, Australia; Sharma M., Department of Clinical Psychology, Govindaswamy Centre, National Institute of Mental Health and Neuro Sciences, Bengaluru, India; Shiffman J., School of Advanced International Studies, Bloomberg School of Public Health, John Hopkins University, Baltimore, MD, United States; Siste K., Department of Psychiatry, Faculty of Medicine, Universitas Indonesia–Dr Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Ukhova D., School of Social and Political Sciences, University of Glasgow, Glasgow, United Kingdom; Volberg R., School of Public Health and Health Sciences, University of Massachusetts Amherst, Amherst, MA, United States; Salifu Yendork J., Department of Psychology, University of Ghana, Accra, Ghana; Saxena S., Department of Global Health and Population, Harvard TH Chan School of Public Health, Harvard University, Cambridge, MA, United States