Funding for this research was provided by:
Tabriz University of Medical Sciences (65618/د/5)
Received: 13 March 2019
Accepted: 15 April 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: Written informed consent will be obtained from each participant. This protocol has been approved by the Ethics Committee of the Tabriz University of Medical Sciences, Tabriz, Iran (code number: IR.TBZMED.REC.1397.670).
: Not applicable.
: The authors declare that they have no competing interests.
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