Text and Data Mining valid from 2018-10-17
Received: 19 February 2018
Accepted: 1 October 2018
First Online: 17 October 2018
Ethics approval and consent to participate
: All procedures performed were in accordance with the ethical standards of the 1964 Helsinki declaration and its later amendments and with the Texas Tech University Human Protection Program. All procedures performed in this study were approved through the Institutional Review Board processes at Texas Tech University and all participants signed the consent form approved by the Institutional Review Board before pre-screening.
: Not applicable.
: The authors declare that they have no competing interests.
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