Text and Data Mining valid from 2018-11-09
Received: 9 September 2017
Accepted: 8 October 2018
First Online: 9 November 2018
Ethics approval and consent to participate
: The A.T. Still University-Kirksville, Missouri Institutional Review Board committee considered the current study exempt.
: Not applicable.
: EWH is an employee of the company that owns the copyrights to the HPLI. The other authors declare that they have no competing interests.
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