Affiliation: | (1) SERAF- Norwegian Centre for Addiction Research, Institute of Clinical Medicine, University of Oslo, (Kirkeveien 166), Oslo, (0407), Norway;(2) Sydney School of Public Health, University of Sydney, (Edward Ford Building A27), NSW, (2006), Australia;(3) Kings College London, National Addiction Centre/Institute of Psychiatry, (4 Windsor Walk), London, (SE5 8AF), UK |