Corresponding Author: Keisuke Kawata, PhD, School of Public Health, Indiana University, 1025 E 7th St, C215, Bloomington, IN 47405 (kkawata@indiana.edu).
Accepted for Publication: November 1, 2018.
Published Online: December 20, 2018. doi:10.1001/jamaophthalmol.2018.6193
Correction: This article was corrected on July 18, 2019, to fix the units in the Figure caption from mm to cm for the values reported for pregame 2 (6.48 [2.06] cm), postgame 2 (6.50 [1.93] cm), pregame 3 (6.43 [1.93] cm), postgame 3 (7.00 [2.27] cm), and postgame 4 (6.60 [2.22] cm), and between pregame 3 and postgame 3 (6.43 [1.93] cm vs 7.00 [2.27] cm).
Author Contributions: Dr Kawata had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Zonner, Kawata.
Acquisition, analysis, or interpretation of data: Ejima, Fulgar, Charleston, Huibregtse, Bevilacqua, Kawata.
Drafting of the manuscript: Zonner, Ejima, Fulgar, Kawata.
Critical revision of the manuscript for important intellectual content: Ejima, Charleston, Huibregtse, Bevilacqua, Kawata.
Statistical analysis: Ejima, Kawata.
Obtained funding: Kawata.
Administrative, technical, or material support: Zonner, Fulgar, Charleston, Bevilacqua, Kawata.
Study supervision: Kawata, Zonner, Charleston, Huibregtse.
Conflict of Interest Disclosures: Ms Charleston reports that she is now on an advisory board for Athlete Intelligence; however, she was independent during the study period. No other disclosures were reported.
Funding/Support: This work was supported from the Indiana Spinal Cord & Brain Injury Research Fund from the Indiana State Department of Health (grant 0019939; Dr Kawata) and Indiana University School of Public Health faculty research grant program (grant 2246237; Dr Kawata).
Role of the Funder/Sponsor: Sponsors had no role in the design or conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: We thank Ms Lamiya Sheikh, MS, for her statistical advice and administrative assistance. Ms Sheikh participated in initial analytical brainstorming but did not participate in data analysis; thus she is not listed as a co-author of this paper. Also, we thank Michelle Stone, BS, and Kimberly Hartz, MS, for their administrative assistance. These individuals were not compensated for their contributions.
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