1. Centre on Drug Policy Evaluation, Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto, Canada
2. Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
3. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada
4. Clinical Laboratory and Diagnostic Services, Centre for Addiction and Mental Health, Toronto, Canada
5. Department of Laboratory Medicine, St. Michael’s Hospital, Toronto, Canada
6. Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
7. Division of Infectious Diseases and Global Public Health, University of California San Diego School of Medicine, La Jolla, CA, USA