Received: 14 January 2018
Accepted: 19 August 2019
First Online: 28 August 2019
Ethics approval and consent to participate
: The ethical approval to conduct the study was sought from Catholic University of Health and Allied Sciences-Bugando Medical Center Research Ethics and Review Committee, the ethics committee’s approval reference number is CREC/136/2016. The permission to conduct the study at BMC was sought from hospital authority. All participants consented to participate in the study and the written informed consent was obtained from each subject.
: Not applicable.
: The authors declare that they have no competing interests.