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Article History

Received: 27 July 2018

Accepted: 30 November 2018

First Online: 17 December 2018

Ethics approval and consent to participate

: Ethical clearance from the University of Gondar, School of Biomedical and Laboratory Sciences Ethical Review Committee was received and an official letter to the University of Gondar Referral Hospital administration prior to data collection with Ref. No SBMLS/ 678/ 09 was submitted. Written informed consent was received from every study participants following the elucidation of the reason and the aim of the research. The study participants who were not agreeing to participate in the research were not forced to participate. All received data and samples from the study participants were kept confidential by using codes as an alternative of any personal identifiers for the purpose of the research. The laboratory results from the study participants were talking to their physicians for the suitable treatment purpose.

: Not applicable.

: The authors declare that they have no competing interests.

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