. 2020 Jan 16;21(3):1471–1480. doi: 10.3892/mmr.2020.10943
Copyright: © Sun 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.