Received: 30 November 2018
Accepted: 23 May 2019
First Online: 6 June 2019
Ethics approval and consent to participate
: The protocol for this study was reviewed and approved by the Ghana Health Service Ethics Review Committee (GHS-ERC -01/03/17) and the Institutional Review Board of the Noguchi Memorial Institute for Medical Research, University of Ghana (054/16-17). All participants signed an informed consent form prior to participating in the study.
: Not applicable.
: The authors declare that they have no competing interests.