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. 2014 Dec 10;9(12):e114729. doi: 10.1371/journal.pone.0114729

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© 2014 Egger et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Double bar = decrease in number of exercising subjects (n<21). p = interaction between condition and time. * significant effect of condition, p<0.05; ** significant effect of condition, p<0.01; *** significant effect of condition, p<0.001.