. 2012 Jan 10;10(1):1. doi: 10.1186/1897-4287-10-1
Copyright ©2012 Janavicius and Elsakov; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.