. Author manuscript; available in PMC: 2017 Jan 28.
Published in final edited form as: Genes Immun. 2016 Jul 28;17(6):349–357. doi: 10.1038/gene.2016.31
Users may view, print, copy, and download text and data-mine the content in such documents, for the purposes of academic research, subject always to the full Conditions of use:http://www.nature.com/authors/editorial_policies/license.html#terms