Received: 11 February 2019
Accepted: 29 May 2019
First Online: 3 June 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board (IRB) of College of Medicine and Health Sciences at Bahir Dar University with reference number EPB/110/2017. Written permission letter was obtained from all concerned authorities. Written consents from parents of school youths were collected and verbal consent from each participant was obtained after explaining the purpose of the study. The right of participants to refuse or not to respond to questions if, they don’t feel comfortable with or discontinue participation at any time was ensured. Confidentiality was kept at each step of the data collection.
: Not applicable.
: The authors declare that they have no competing interests.