Funding for this research was provided by:
Tabriz University of Medical Sciences (IR.TBZMED.REC.1398.203)
Text and Data Mining valid from 2019-11-04
Received: 24 July 2019
Accepted: 18 October 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: This study was approved by local ethics committee of Tabriz University of Medical Science (IR.TBZMED.REC.1398.203). All participates were asked to fill informed consent forms prior to sampling.
: Not applicable.
: The authors declare that they have no competing interests.