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. 2015 May 21;3:e976. doi: 10.7717/peerj.976

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© 2015 Halldórsdóttir and Árnason

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

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Locality codes for Atlantic cod samples are Can for Newfoundland, Canada, Gre for Greenland, Ice for Iceland, Nor for Norway, Bar for Barents Sea, Far for Faeroe Islands, Bal for Baltic Sea, and Cel for Celtic Sea. Species codes for closely related species are Gch for Gadus chalcogrammus and Gma for Gadus macrocephalus from the Pacific ocean (Pac), and Gog for Gadus ogac and Bsa for Boreogadus saida from Arctic Ocean in Greenland.