. Author manuscript; available in PMC: 2020 Oct 23.
Published in final edited form as: STAR Protoc. 2020 Jun 4;1(1):100001. doi: 10.1016/j.xpro.2019.100001
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).