title: Response.
authors.affiliation: Women's College Research Institute, Toronto, ON, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
authors.forename: Joanne
authors.initials: J
authors.lastname: Kotsopoulos
authors.affiliation: Women's College Research Institute, Toronto, ON, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
authors.forename: Ping
authors.initials: P
authors.lastname: Sun
authors.affiliation: Women's College Research Institute, Toronto, ON, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
authors.forename: Steven
authors.initials: S
authors.lastname: Narod