Funding for this research was provided by:
Birjand University of Medical Sciences
Text and Data Mining valid from 2020-03-31
Received: 9 July 2019
Accepted: 12 March 2020
First Online: 31 March 2020
Ethics approval and consent to participate
: The Ethics Committee of Birjand University of Medical Sciences approved the study (ir.bums. REC.1395.117). The written informed consent was obtained from participants.
: Not Applicable
: The authors declare that they have no competing interests.