Funding for this research was provided by:
International Development Research Centre (108040-001)
Received: 13 August 2020
Accepted: 20 August 2021
First Online: 20 September 2021
: The study was approved by the University of Ibadan/University College Hospital Ibadan Ethical Review Committee on 25/01/2016 (firstname.lastname@example.org; 234-2-2413922, ref: NHREC/05/01/2008a) and was conducted in strict compliance with the guidelines specified by the Committee. All participants in the study gave written informed consent after the objectives of the study had been explained to them by research assistants.
: Not applicable.
: None of the authors declares any competing interests.