1 W21C Research and Innovation Centre, O'Brien Institute for Public Health, Cumming School of Medicine, University of Calgary and Alberta Health Services, Calgary, Alberta, Canada.
2 Workplace Health and Safety Business Partnerships, Alberta Health Services, Calgary, Alberta, Canada.
3 Department of Anesthesiology, Perioperative and Pain Medicine, Cumming School of Medicine, University of Calgary and Alberta Health Services, Calgary, Alberta, Canada.
4 Department of Psychology, Faculty of Arts, University of Calgary, Calgary, Alberta, Canada.
5 Department of Medicine, Cumming School of Medicine, University of Calgary and Alberta Health Services, Calgary, Alberta, Canada.
6 Department of Microbiology, Immunology and Infectious Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
7 Infection Prevention and Control, Alberta Health Services, Calgary, Alberta, Canada.
8 Snyder Institute for Chronic Diseases, University of Calgary and Alberta Health Services, Calgary, Alberta, Canada.