Text and Data Mining valid from 2019-12-01
Received: 30 July 2019
Accepted: 18 December 2019
First Online: 28 December 2019
Ethics approval and consent to participate
: The study was approved by the ethical review board of Wollo University. Participants were fully informed about the study and verbal consent was received from each participant before the start of the interview. Information was collected anonymously and kept confidential throughout the study.
: Not applicable.
: The authors declare that they have no competing interests.