Affiliation: | 1.Interdisciplinary Graduate Studies Program, University of British Columbia, 270-2357 Main Mall, Vancouver, BC, V6T 1Z4, Canada ;2.British Columbia Centre on Substance Use, University of British Columbia, 400-1045 Howe, Vancouver, BC, V6Z 2A9, Canada ;3.Department of Medicine, University of British Columbia, 317-2194 Health Sciences Mall, Vancouver, BC, V6T 1Z3, Canada ;4.Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia ;5.Centre of Excellence for Research in AIDS, University of Malaya, 50603, Kuala Lumpur, Malaysia ;6.Department of Sociology, University of British Columbia, 6303 NW Marine Drive, Vancouver, BC, V6T 1Z1, Canada ; |