. 2018 Apr 26;53(1):137–147. doi: 10.3892/ijo.2018.4384
Copyright: © Cao 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.