Text and Data Mining valid from 2018-06-25
Received: 15 December 2017
Accepted: 6 June 2018
First Online: 25 June 2018
Ethics approval and consent to participate
: The study was approved by the Research Ethics Committee of the Birjand University of Medical Sciences (Birjand, Iran). All patients signed the informed consent form to participate in the study, following all the necessary ethical recommendations inherent to a project developed with humans.
: Not applicable
: The authors declare that they have no competing interests.
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