Received: 10 June 2019
Accepted: 24 October 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: The protocol for the study was approved by the Institutional Review Board of the Noguchi Memorial Institute for Medical Research, University of Ghana, Legon. All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from all participants and all other key ethical principles were followed.
: Not applicable.
: The authors declare that they have no competing interests.