Nguyen, Thi Vinh http://orcid.org/0000-0003-2640-1446
King, Julie http://orcid.org/0000-0001-7992-1862
Edwards, Niki http://orcid.org/0000-0002-7991-9305
Pham, Cong Tuan http://orcid.org/0000-0002-1662-2483
Dunne, Michael http://orcid.org/0000-0001-9041-4802
Article History
First Online: 1 April 2019
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: This review used qualitative data from published articles and research reports. Among 15 included studies, 11 studies mentioned that the studies got ethical approval, and four studies did not mention ethical approval.