Oguntunde, Olugbenga
Nyenwa, Jabulani
Yusuf, Farouk Musa
Dauda, Dauda Sulaiman
Salihu, Abdulsamad
Sinai, Irit
Funding for this research was provided by:
UKaid (PO6468)
Article History
Received: 6 August 2018
Accepted: 28 March 2019
First Online: 11 April 2019
Ethics approval and consent to participate
: Ethical approval for the protocol and study instruments was obtained from the Health Research and Ethics Committees of Kaduna and Katsina states before fieldwork began. Study participation was completely voluntary. Respondents did not have to answer any questions they did not wish to and could end the interview at any time. All participants provided verbal informed consent, as approved by the ethical committees, after receiving detailed information about the study, and having all their questions answered.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.