Received: 11 January 2019
Accepted: 3 July 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: This research was conducted after obtaining Ethical clearance from the University of Gondar, School of Biomedical and Laboratory Sciences, ethical review committee and support letters were obtained from North Gondar hotel and tourism management bureau prior to data collection. Permissions were obtained from the concerned bodies of the Zonal Health office. The formal letter was also obtained from the Municipality of the town and written informed consent was obtained from each study participant.
: Not applicable.
: The authors declare that they have no competing interests.