1. Urban Health Research Initiative; British Columbia Centre for Excellence in HIV/AIDS; St. Paul's Hospital; Vancouver Canada
2. Interdisciplinary Studies Graduate Program; University of British Columbia; Vancouver Canada
3. School of Population and Public Health; University of British Columbia; Vancouver Canada
4. Mitsampan Harm Reduction Center; Thai AIDS Treatment Action Group; Bangkok Thailand
5. Department of Medicine; Faculty of Medicine; University of British Columbia; Vancouver Canada