. 2021 Nov 12;47(1):15. doi: 10.3892/or.2021.8226
Copyright: © Tak 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.