(Springer Science and Business Media LLC, 2020-03-16) Richter, Michelle F.; Zhao, Kevin T.; Eton, Elliot; Lapinaite, Audrone; Newby, Gregory A.; Thuronyi, B W.; Wilson, Christopher; Koblan, Luke W.; Zeng, Jing; Bauer, Daniel E.; Doudna, Jennifer A.; Liu, David