Received: 22 June 2019
Accepted: 29 January 2020
First Online: 5 February 2020
Ethics approval and consent to participate
: The protocol for this study was approved by the National Health Research Ethics Committee, Lagos State Branch (No. NHREC 04/04/2008 Ref. No. RFC/10/06/367). The purpose of the study was explained to the parents and heads of household before the study took place during which they were informed that there would be no foreseen risk or discomfort to participants in the study. The benefits of the study were also enumerated to the parents and heads of households who were also informed that participation was completely voluntary, and they may choose to withdraw their wards from participating at any time. Further, they were assured that their decision to not volunteer to participate or to withdraw from the study would not influence the quality of treatment or services they would receive, or the relationship with the researchers or any group associated with the study. The parents and heads of households were also informed of the confidentiality of all information and data provided during the study and that their names or that of their wards will not appear in any report. They were informed that data of participants would be safely stored and only research staff would have access to their information. Verbal consent was obtained from all participants or guardians prior to admission into the study.
: Not applicable.
: The authors declare that they have no competing interests.