Funding for this research was provided by:
Royal Society (SM150014)
Article History
Received: 12 December 2017
Accepted: 18 December 2018
First Online: 10 January 2019
Compliance with ethical standards
:
: All procedures performed in studies involving human participants 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. Ethical approval for the study was granted by the ethics committees of the Noguchi Memorial Institute for Medical Research, University of Ghana (ref: 106/15-16) and the Faculty of Social, Human, and Mathematical Sciences, University of Southampton, UK (ref: 21417).