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. 2014 Jul 9;4:5633. doi: 10.1038/srep05633

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/

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Location of PMBRC and BIK are shown as red filled circles and sampling locations are shown as black stars. The maps were drawn using the software Magic Maps ver. 1.4.3 and Adobe Illustrator CS5 (Macintosh version).