Received: 8 July 2019
Accepted: 1 November 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: The research was conducted after securing ethical approval letter from Research and Ethical Review Committee of School of Biomedical and Laboratory Science, University of Gondar. Permission was asked from North Gondar District blood bank and written informed consent had been obtained from each study participant. To ensure confidentiality of participants’ information, anonymous typing was applied whereby the name of the participant and any identifier of participants were not written on the questionnaire, and during the interview to keep the privacy, they were interviewed alone.
: Not applicable.
: The authors declare that they have no competing interests.