Received: 8 January 2021
Accepted: 30 March 2021
First Online: 7 April 2021
: The study was approved by the Jaramogi Oginga Odinga Teaching and Referral Hospital (JOOTRH) Ethical Review committee. All participants provided written informed consent to participate in the study. The parents/guardians provided informed consent for their children to participate in the study.
: Not applicable.
: The authors have declared no competing interest.