Published on in Vol 3, No 3 (2017): Jul-Sept

1 Dalla Lana School of Public Health , University of Toronto, Toronto, ON, CA
2 School of Occuaptional and Public Health , Ryerson University, Toronto, ON, CA
3 Public Health Ontario , Toronto, ON, CA
4 Laboratory Medicine and Pathobiology , University of Toronto, Toronto, ON, CA
5 Department of Public Health , Concordia University of Edmonton, Edmonton, AB, CA
6 Toronto Public Health , Toronto, ON, CA
*these authors contributed equally