. 2017 Nov 1;15(1):31–38. doi: 10.3892/etm.2017.5421
Copyright: © Shi 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.