Funding for this research was provided by:
Text and Data Mining valid from 2018-03-14
Received: 5 October 2017
Accepted: 6 March 2018
First Online: 14 March 2018
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the Hawassa University College of Medicine and Health Sciences Institutional Review Board (IRB). Ethical approval letter was written on 17/11/2015 and the reference number of the letter is Ref. No. IRB-019-08. Before the data collection, informed verbal consent was obtained from each study participant. The data were collected and analysed anonymously.
: Not applicable.
: The authors declare that they have no competing interests.
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