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Article History

Received: 2 October 2017

Accepted: 26 March 2018

First Online: 10 April 2018

Ethics approval and consent to participate

: Ethical approval was obtained from University of Gondar, College of Medicine and Health Sciences, School of Nursing Ethical Review Committee, permission letter with a reference number; N/D/535/07/2009. Support letter was also obtained from Meket district administration office and health office before enrollment. Finally participants were informed about the purpose, method, expected benefit, and risk of the study and for those who agreed, written consent were obtained.

: Not applicable.

: The authors declared that they have no any competing interests.

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