Funding for this research was provided by:
Received: 19 November 2018
Accepted: 27 May 2019
First Online: 10 June 2019
Ethics approval and consent to participate
: This study was approved by the Navrongo Health Research Centre Institutional Review Board/Ghana Health Service (approval number: NHRCIRB291) and the University of KwaZulu-Natal Biomedical Research Ethics Committee (approval number: BE565/17). Permission was obtained from the Upper East Regional Health Directorate prior to conducting the study. All study participants signed an informed consent prior to participating in this study.
: Not applicable.
: The authors declare that they have no competing interests.