Diddana, Tona Zema http://orcid.org/0000-0002-8188-6901
Article History
Received: 6 September 2018
Accepted: 28 November 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: Ethical approval was obtained from Wollo University ethical review committee. Permission was obtained from Dessie town administration public health office. Written consent was obtained from each study participant before starting data collection.
: Not applicable.
: The author declares that I have no competing interests.