Received: 4 May 2019
Accepted: 9 July 2019
First Online: 15 July 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Institutional Review Board of College of Medicine and Health Sciences, Hawassa University. The purpose and importance of the study were explained to each study participants. To ensure confidentiality of participant’s codes numbers was used on the questionnaire. To ensure the voluntary participation of the study participants, informed written consent and assent was obtained from each study participants. Participant was interviewed alone to keep the privacy. All participants were not paid for the test.
: Not applicable.
: The authors declare that they have no competing interests.