. Author manuscript; available in PMC: 2022 Jun 18.
Published in final edited form as: Trends Biotechnol. 2021 Feb 8;39(10):1093–1109. doi: 10.1016/j.tibtech.2021.01.006
This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0/).