. 2017 Mar 10;50(4):1097–1108. doi: 10.3892/ijo.2017.3909
Copyright: © Li 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.