Article History
Received: 15 May 2019
Accepted: 2 January 2020
First Online: 21 January 2020
Compliance with ethical standards
: Ethical approval was obtained from the ethics committee of the university. All information collected from this study was kept strictly confidential. All procedures performed in the study were in accordance with the ethical standards of the university research and ethics committee. Consent for participation was understood by the completion and submission of the survey.
: All authors declare no conflict of interest.Authors have no conflict of interest. Neither of the authors has any financial disclosure.