Received: 29 January 2020
Accepted: 23 March 2020
First Online: 1 April 2020
Ethics approval and consent to participate
: This study and consent process were approved by Mekelle university college of health sciences, department of anesthesia ethical review committee. All participants signed a consent form prior to completing the survey. Participants confidentiality was preserved throughout the conduct of the study.
: Not applicable.
: The authors declare that they have no competing interests.