Jahanfar, Shayesteh https://orcid.org/0000-0001-6149-1067
Lim, Kenneth
Article History
Received: 13 February 2018
Accepted: 13 June 2018
First Online: 4 July 2018
Ethics approval and consent to participate
: Ethical approval was obtained from University of British Columbia (H11–03281) and Perinatal Services British Columbia (PSBC) (R2011008). A secondary database was used; hence no participant’s consent was obtained.
: Not applicable
: The authors declare that they have no competing interests.
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