1. Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
2. Department of Medicine, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, Canada
3. Three Hive Consulting, Edmonton, Alberta, Canada
4. National Overdose Response Service, Ontario, Canada
5. Department of Internal Medicine, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, Canada