Text and Data Mining valid from 2018-11-19
Received: 11 January 2018
Accepted: 12 October 2018
First Online: 19 November 2018
Ethics approval and consent to participate
: The ethics committee of Tabriz University of Medical Sciences approved this project (Code: IR.TBZMED.REC.1395.1333). All patient data and records were stored confidentially. Consent to participate was not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
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