Text and Data Mining valid from 2019-09-03
Received: 25 March 2019
Accepted: 26 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the institutionalized review board, institute of public health, university of Gondar. Official letter that explains the objectives of the study was written to the respected Metekel Zone administration and zonal health office. The zonal administration and zonal health office in turn were wrote a letter to study kebeles for cooperation respectively. The objectives and the benefits of the study were explained for the study subjects. Written consent was obtained from each participant. The right of the participants to withdraw from the study whenever they want to do so was respected. Anonymous questioner was used to protect the identity and confidentiality of the information obtains from individual participants.
: Not applicable; because our manuscript does not contain data from any individual person in form of any individual details, image or videos.
: The authors declare that they have no competing interests.