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. 2013 Jul 25;8(7):e69662. doi: 10.1371/journal.pone.0069662

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© 2013 Michaud 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.

PMC Copyright notice

Lineages and corresponding genotypes are indicated. The tree was constructed by Beast software and the MCMC were run 10⁸ times. Time for all isolatesTMRCA is 1712. TMRCAs of lineage L1-1 (genotype I) and lineage L1-2 (genotype II) are 1943 and 1990, respectively.