Text and Data Mining valid from 2018-09-10
Received: 4 January 2018
Accepted: 22 August 2018
First Online: 10 September 2018
Ethics approval and consent to participate
: The study was approved by the ethical review committee of the Ethical Review Board of Institute of Public Health, College of Medicine and Health Science, University of Gondar with the reference number 2827/02/2016. Permission letters were obtained from Regional Health Bureau and district health office. Written consent from study participants were also obtained after explaining the purpose of the study and confidentiality was assured using coding system; questionnaires did not have any personal identifiers.
: All authors declare that they have no competing interest.
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