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. 2012 Jun 20;7(6):e38869. doi: 10.1371/journal.pone.0038869

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Yasseri 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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Inline graphic — Blue: category (a), consensus. Red: category (b), multi-consensus. Yellow: Category (c), never-ending war. For the precise definition of each category see the main text.

Blue: category (a), consensus. Red: category (b), multi-consensus. Yellow: Category (c), never-ending war. For the precise definition of each category see the main text.