1. Department of Medicine, Faculty of Medicine Dalhousie University Halifax Canada
2. UCL Collaborative Centre for Inclusion Health, Institute of Epidemiology and Health Care University College London London UK
3. Mobile Outreach Street Health North End Community Health Centre Halifax Canada
4. Department of Anesthesia, Pain Management and Perioperative Medicine, Faculty of Medicine Dalhousie University Halifax Canada
5. Division of Infectious Diseases Saint John Regional Hospital Saint John Canada