Received: 20 February 2019
Accepted: 24 June 2019
First Online: 2 July 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from Oromia Zone Health department Ethical review committee. Supportive letter was sought from Dewachefa Health Office. Informed Written consent was obtained from each participant. Informed written agreement was also obtained from a parent or guardian on behalf of the participants under the age of 16 years. The study participants had the right to refuse in the study or withdraw at any time during the interview was respected. The information obtained from the study participant was maintained its confidentiality by not writing name of the study participants on the questionnaire paper. All cases were managed before interviewed.
: Not applicable.
: The authors declare that they have no competing interests.