Funding for this research was provided by:
Shahid Beheshti University of Medical Sciences (15515)
Text and Data Mining valid from 2020-01-29
Received: 29 September 2019
Accepted: 6 January 2020
First Online: 29 January 2020
Ethics approval and consent to participate
: All ethical aspects of this study were approved by Shahid Beheshti University of Medical Sciences’ Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.