Text and Data Mining valid from 2019-07-09
Received: 20 October 2018
Accepted: 25 June 2019
First Online: 9 July 2019
Ethics approval and consent to participate
: This study was part of an approved study in the Research Ethics Committee of Tabriz University of Medical Science (ethical code: IR.TBZMED.REC.1396.134). All participants were informed of the study methods and benefits of the process. Written and signed informed consent was obtained from participants before beginning the study.
: Not applicable in this section.
: The authors declare that they have no competing interests.