Demile, Biresaw
Zenebu, Amare
Shewaye, Haile
Xia, Siqing
Guadie, Awoke
Article History
Received: 5 March 2018
Accepted: 25 May 2018
First Online: 31 May 2018
Ethics approval and consent to participate
: The current investigation followed the tenets of the Declaration of Helsinki and ethical clearance was obtained from Health Main Directorate in Armed Force Referral and Teaching Hospital. Before the investigation was performed, written informed consent was obtained from all study participants about their information to be used for research purpose.
: The authors declare that they have no competing interests.
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