Text and Data Mining valid from 2020-04-25
Received: 14 October 2019
Accepted: 19 April 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: The ethics committee of the Hamadan University of Medical Sciences approved the study protocol (Ethical approval code: IR.UMSHA.REC.1394.531). The Written consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.