Funding for this research was provided by:
Wollo University and Authors
Received: 5 August 2017
Accepted: 16 January 2018
First Online: 24 January 2018
Ethics approval and consent to participate
: This eight-year data was collected after a letter was obtained from Department of Medical Laboratory Sciences, College of Medicine and Health Science, Wollo University. After discussing the aim and the information required for this study, a written permission was obtained from the head of Kombolcha Health Centre before data collection.
: Not applicable.
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