Paudel, Susan https://orcid.org/0000-0001-7536-9476
Owen, Alice J.
Owusu-Addo, Ebenezer
Smith, Ben J.
Article History
Received: 26 June 2018
Accepted: 19 October 2018
First Online: 30 October 2018
Ethics approval and consent to participate
: Since this proposed systematic review will only involve a review of the already published papers, ethical approval was waived for the study. It will not involve any contact with the human participants and will not collect any primary data.
: This is “not applicable” for this study as it will not report any individual-level data.
: The authors declare that they have no competing interests.
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