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. 2021 Feb 11;8:56. doi: 10.1038/s41597-021-00823-z

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 10 — Total brain volume, gray -matter cortical volume, white matter volume, and average gray -matter cortical thickness show no differences between groups despite differences in body mass. Group distributions of total brain volume (a), cortical volume (b), white matter volume (c), and average cortical thickness (d). One-way ANOVAs showed no significant differences between the groups in these measures. A significant difference was observed between the mass (e) of football players and the two other groups (p < 0.005 Bonferroni corrected).