Funding for this research was provided by:
Oregon School Activities Association Foundation
Text and Data Mining valid from 2019-05-01
Received: 18 December 2018
Accepted: 21 March 2019
First Online: 1 May 2019
Ethics approval and consent to participate
: This study was approved by the Oregon State University Institutional Review Board.
: Not applicable.
: Michael C.Koester (co-author) is a partner in Slocum Center for Orthopedics and Sports Medicine. The other authors have indicated that they have no potential conflict of interest to disclose.
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