Text and Data Mining valid from 2019-04-03
Received: 17 January 2019
Accepted: 27 February 2019
First Online: 3 April 2019
Ethics approval and consent to participate
: This study was approved by the ethics committee of Hamadan University of Medical Sciences (No: IRUMSHA. REC. 1395066).
: Not applicable
: The authors declare that they have no competing interests.
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