Received: 1 August 2019
Accepted: 11 February 2020
First Online: 18 February 2020
Ethics approval and consent to participate
: The ethical approval was obtained from the Senate Research and Publication Committee, the Institutional Review Board of Muhimbili University of Health and Allied Sciences (MUHAS). Permission to conduct the study was obtained from the District Director and hospital authorities where the study was conducted. Written informed consent was obtained from all patients before being enrolled in the study.
: Not applicable.
: The authors declare that they have no competing interests.