Received: 31 May 2019
Accepted: 10 August 2019
First Online: 20 August 2019
Ethics approval and consent to participate
: The study was reviewed and approved by the Institutional Review Boards of Wollega University Ethical review board. The purpose of the study was explained to medical director and staffs of the hospital and permission was obtained. All participants of the study were provided written consent, clearly stating the objectives of the study and their right to refuse. Filled out questionnaires were carefully handled and all access to results was kept strictly within the author.
: Not applicable.
: The author declares no competing interests.