Funding for this research was provided by:
Tabriz University of Medical Sciences (IR.TBZMED.REC.1398.066)
Text and Data Mining valid from 2019-11-07
Received: 1 October 2019
Accepted: 11 October 2019
First Online: 7 November 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 Tabriz University of Medical sciences, Tabriz, Iran (code number: IR.TBZMED.REC.1398.066).
: Not applicable.
: The authors declare that they have no competing interests.