. 2014 Jun 12;6(6):1530–1541. doi: 10.1093/gbe/evu124
© The Author(s) 2014. Published by Oxford University Press on
behalf of the Society for Molecular Biology and Evolution.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com