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. 2019 Dec 30;16:141. doi: 10.1186/s12966-019-0897-z

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Histograms showing distributions of in-school physical activity participation in five countries with differing distributions. Note: Colombia (mean 1.7 days/week; 1.7 h/week), Poland (mean 3.2 days/week; 2.8 h/week), Sweden (mean 2.3 days/week; 2.4 h/week), U.S. (mean 2.4 days/week, 2.3 h/week), UK (mean 1.9 days/week; 2.0 h/week)