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Authors
Tembo, Blackson Pitolo http://orcid.org/0000-0001-8019-8739
Malangu, Ntambwe Gustav
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Article History
Received: 15 August 2018
Accepted: 13 August 2019
First Online: 6 September 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from the Medical Research Ethics Committee (MREC) of the Sefako Makgatho Health Sciences University, Pretoria, South Africa (Reference number MREC/H/21/2013:PG) and further permission to conduct the study in Botswana was granted by the Health Development Research Committee of the Ministry of Health (Reference number PPME-13/18/1 Vol V111 (269). Prior to data collection, further permission to proceed with data collection was obtained from either Institutional Review Boards (IRB) of all the study sites or directly from Chief Executive Officers. Since the study was retrospective in nature, informed consent was not necessary.
: The authors declare that there are no competing interests (financial or non-financial).
