Omani-Samani, Reza
Vesali, Samira
Article History
First Online: 16 January 2019
Compliance with Ethical Standards
: Ethical approval was obtained from the Ethics Committee of the Royan Institute (IR.ACER.ROYAN.REC.1395.99). The aims of the study were clearly explained to all participants prior to the investigation, and confidentiality and anonymity were assured. Also, all participant voluntarily completed the questionnaire.
: The authors declare that they have no conflict of interest.