. 2018 Feb 7;15(4):4821–4826. doi: 10.3892/ol.2018.7988
Copyright: © Pan 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.