1 Temerty Faculty of Medicine (Tran) and Dalla Lana School of Public Health (Loh), University of Toronto, Toronto, Ont.; Schulich School of Medicine and Dentistry (Zhong), Western University, London, Ont.; Peel Public Health, Mississauga (Loh), Mississauga, Ont.
2 Temerty Faculty of Medicine (Tran) and Dalla Lana School of Public Health (Loh), University of Toronto, Toronto, Ont.; Schulich School of Medicine and Dentistry (Zhong), Western University, London, Ont.; Peel Public Health, Mississauga (Loh), Mississauga, Ont. cmajgroup@cmaj.ca.