Funding for this research was provided by:
Isfahan University of Medical Sciences (394562)
Text and Data Mining valid from 2018-08-20
Received: 26 March 2018
Accepted: 8 August 2018
First Online: 20 August 2018
Ethics approval and consent to participate
: The study was approved by the Isfahan University of Medical Sciences ethics committee, and an informed consent form was signed by each participant.
: Not applicable.
: The authors declare that they have no competing interests.
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