Text and Data Mining valid from 2020-04-06
Received: 14 December 2019
Accepted: 28 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: Before data collection, ethical clearance letter was obtained from the ethical clearance committee of Ambo University, college of medicine and health sciences. Formal letter of permission was obtained from the Woreda administration to the selected kebeles. Finally, oral and written informed consent was requested from the study participant after clearly explaining the objectives of the study. Also, written informed consent was obtained from a parent or guardian for participants under 16 years of age. The participants were also informed that they may withdraw themselves at any stage of the data collection period.
: Not applicable.
: The authors declare that they have no competing interests.