An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
. Author manuscript; available in PMC: 2017 Aug 23.
Published in final edited form as: AIMS Genet. 2016 Aug 23;3(3):157–166. doi: 10.3934/genet.2016.3.157
licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0)