Text and Data Mining valid from 2018-06-18
Received: 3 March 2018
Accepted: 4 June 2018
First Online: 18 June 2018
: The authors declare that they have no competing interests.
: The study protocol was reviewed and approved by Debre Markos University Research Ethics Review Committee. Official letter of cooperation was obtained from College of Medicine and Health Science to Debremarkos Referal Hospital and permission was secured from DMRH medical director. All study participants were informed that they have right not to participate in the study or stop the interview at any time they want if that was their choice. Written consent was obtained from all participants prior to an interview. All information obtained in the study was stored confidential and secured.
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