Text and Data Mining valid from 2019-06-24
Received: 25 January 2019
Accepted: 30 May 2019
First Online: 24 June 2019
Ethics approval and consent to participate
: Ethical clearance and support letters were obtained from the University of Gondar ethical approval committee and submitted to Hospital. Anonymity of the respondents was preserved and written consent was requested from all respondents for their willingness to participate in the study after explaining the objective of the study and data confidentiality.
: Not applicable.
: The authors declare that they have no any competing interests.