作者: Jennifer M Ryan , Michael Walsh , John Gormley
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摘要: © 2014 Ryan et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided original work properly credited. The Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to data made available this article, unless otherwise stated.