Text and Data Mining valid from 2018-05-25
Received: 2 January 2018
Accepted: 2 May 2018
First Online: 25 May 2018
Ethics approval and consent to participate
: Ethical approval was obtained from Bahir Dar University ethical review board. Permission was obtained from Amhara public health institute which was previously known as Amhara regional health laboratory. We made further contact with administrative of the three sub cities (Ginbot 20, Sefene selam and Hidar 11) just before starting data collection. Informed verbal consent was obtained from each study participants.
: The authors declare that they have no competing interests.
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