Received: 29 October 2020
Accepted: 19 February 2021
First Online: 1 March 2021
: All mothers provided informed written consents after the study procedure; risks and benefits were explained to them. The study was approved by the Makerere University School of Medicine Ethics and Research Committee (SOMREC) (reference number #REC REF 2020-113).
: Not applicable.
: The authors declare no competing interests.