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Article History

Received: 22 February 2019

Accepted: 10 June 2019

First Online: 26 June 2019

Ethics approval and consent to participate

: The study was approved by the Institutional Review Board of College of Medicine and Health Sciences at Hawassa University (ref: IRB/009//2017), and the Regional Committees for Medical Research Ethics - South East Norway (ref: 2017/2473/REK sør-øst). Permission through official letters was obtained from the Zonal and district health offices. Verbal informed consent was obtained in advance from the health facility health workers. The above mentioned ethical committees have also given approval for the informed verbal consent. Information sheets were provided to inform about the purpose of the study and about confidentiality, and health workers were informed that involvement in the study was voluntary. At each data collection, verbal consent of the study participants was obtained using the local language. Assurance was also given that a refusal to participate in this study would not affect them in any way.

: Not applicable.

: The authors declare that they have no competing interests.