Funding for this research was provided by:
Shiraz University of Medical Sciences (97105)
Text and Data Mining valid from 2020-02-17
Received: 1 April 2019
Accepted: 24 January 2020
First Online: 17 February 2020
Ethics approval and consent to participate
: This study was considered exempt by the SUMS Institutional Review Board.
: Not applicable.
: The authors declare that they have no competing interests.