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. 2015 Aug 4;10(8):e0134434. doi: 10.1371/journal.pone.0134434

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© 2015 Mladenović 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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Fig 6 — The significance of the correlation was estimated by Pearson’s correlation test. For details see caption for Figs 1 and 2.