. 2015 Sep 25;12(5):7310–7316. doi: 10.3892/mmr.2015.4365
Copyright: © Pei et al.
This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.