Text and Data Mining valid from 2020-04-03
Received: 4 September 2019
Accepted: 19 March 2020
First Online: 3 April 2020
Ethics approval and consent to participate
: The present study was approved by the Research Ethics Committee of Kashan University of Medical Sciences Research Council (Number: 90056). All the participants were verbally invited to participate in the study. According to the Declaration of Helsinki, the study goals were stated to the participants and they were assured that their information would be confidential and would not be published in the article. The subjects willing to participate signed written informed consent forms.
: Not applicable.
: The authors declare that they have no competing interests.