Funding for this research was provided by:
Hamadan University of Medical Sciences (IR.UMSHA.REC.1398.075)
Text and Data Mining valid from 2020-05-04
Received: 14 August 2019
Accepted: 7 April 2020
First Online: 4 May 2020
Ethics approval and consent to participate
: This study was submitted to and approved by the Ethical Committee of Hamadan University of Medical Science (IR.UMSHA.REC.1398.075). Informed written consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.