Funding for this research was provided by:
Tabriz University of Medical Sciences (IR.TBZMED.REC.1396.786)
Text and Data Mining valid from 2019-05-22
Received: 19 March 2019
Accepted: 6 May 2019
First Online: 22 May 2019
Ethics approval and consent to participate
: This research has been approved by the Ethics Committee of the Tabriz University of Medical Sciences, Tabriz, Iran (code number: IR.TBZMED.REC.1396.786). All subjects were ensured about the matter of confidentiality and signed the informed written consent form.
: Not applicable.
: The authors declare that they have no competing interests.
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