1 Public Health Ontario, 480 University Avenue Suite 300, Toronto, ON, M5G 1V2, Canada.
2 Dalla Lana School of Public Health, University of Toronto, 155 College St, Toronto, ON, M5T 3M7, Canada.
3 Public Health Agency of Canada, 130 Colonnade Road, Ottawa, ON, K1A 0K9, Canada.
4 WHO Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China.
5 Institute for Clinical Evaluative Sciences, Veterans Hill Trail, 2075 Bayview Avenue G1 06, Toronto, ON, M4N 3M5, Canada.
6 Department of Family & Community Medicine, University of Toronto, 155 College St, Toronto, ON, M5T 3M7, Canada.
7 University Health Network, 399 Bathurst St, Toronto, ON, M5T 2S8, Canada.
8 Public Health Ontario, 480 University Avenue Suite 300, Toronto, ON, M5G 1V2, Canada. bryna.warshawsky@oahpp.ca.
9 Department of Epidemiology and Biostatistics, Western University, 1151 Richmond St, London, ON, N6A 3K7, Canada. bryna.warshawsky@oahpp.ca.