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Article History

Received: 25 August 2017

Accepted: 12 January 2018

First Online: 1 February 2018

Ethics approval and consent to participate

: Ethical clearance was obtained from the Institutional Review Board (IRB) of the University of Gondar, College of Medicine and Health sciences, Institute of Public Health. Additional supporting letter was also acquired from Oromia Labor and Social Affairs Bureau and from East Wollega Zone Labour and Social Affairs Offices. We submitted these letters to managements of each hospital under the study. We also obtained informed consent from each respondent. Confidentiality of the data was maintained and respected. Only aggregate data was used. Any involvement in the study was carried out with the full consent of the person willingly participating in the study.

: Not applicable.

: The authors declare that they have no competing interests.

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