Affiliation: | (1) Centre for Psychiatry, Queen Mary University of London, Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, London, EC1M 6BQ, UK;(2) Department of Epidemiology and Public Health, University College London Medical School, University College London, London, WC1E 6BT, UK;(3) UK Drug Policy Commission (UKDPC), 11 Park Place, London, SW1A 1LP, UK;(4) Centre for Psychiatry Old Anatomy Building, Charterhouse Square, London, EC1M 6BQ, UK |