. Author manuscript; available in PMC: 2020 Sep 16.
Published in final edited form as: Hepatoma Res. 2020 Aug 27;6:55. doi: 10.20517/2394-5079.2020.42
This article is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, sharing, adaptation, distribution and reproduction in any medium or format, for any purpose, even commercially, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.