Funding for this research was provided by:
Grand Challenges Canada (0547-01-10)
Received: 6 May 2016
Accepted: 7 January 2018
First Online: 18 January 2018
Ethics approval and consent to participate
: The study was reviewed and approved by the National Ethics Committee under the Philippine Council for Health Research and Development, Department of Science and Technology. The informed consent was written in the local dialect and was administered to all women who were recruited. All the women who agreed to participate in the study have signed the written informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.
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