Received: 13 August 2019
Accepted: 30 October 2019
First Online: 7 November 2019
Ethics approval and consent to participate
: The study was reviewed and approved by Muhimbili University of health and allied sciences research ethics committee and permission to conduct research was obtained from MNH training and research directorate. Researcher explained the purpose of the study to the patients. Patients willing to participate in the study were asked to sign freely obtained written consent form prior to commencement of interview. To ensure confidentiality, only numbers were used to identify participants and the questionnaires were kept under custodian of researchers only.
: Not applicable.
: The authors declare that they have no competing interests.