. 2019 Mar 22;54(6):1943–1954. doi: 10.3892/ijo.2019.4761
Copyright: © Cai 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.