Funding for this research was provided by:
World Health Organization (TDR Special Postgraduate Programme in Implementation Research)
Text and Data Mining valid from 2019-02-13
Received: 9 June 2018
Accepted: 30 January 2019
First Online: 13 February 2019
Ethics approval and consent to participate
: The study was given ethical approval by the University of the Philippines Manila Research Ethics Board (Decision Letter 2017–045-01).
: Not applicable.
: The authors declare that they have no competing interests.
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