Received: 30 October 2019
Accepted: 13 August 2020
First Online: 4 September 2020
Ethics approval and consent to participate
: Ethical clearance was obtained from the Institution Research Review Committee of the Dodoma University. Permission to conduct the study was provided by Zanzibar Health Research Institute. All ethical standards and procedures were adhered, we confirm that anonymities were used instead of names and written informed consent was obtained from mothers, we also confirm that an oral and written assent informed consent for all participants below the age of 16 years was obtained from the parents or guardians.
: Not applicable.
: The authors declare that there is no competing interest.