Correction to 'Theoretical basis for stabilizing messenger RNA through secondary structure design'. Issue 19 (30th September 2021) - Wayment-Steele, Hannah K; Kim, Do Soon; Choe, Christian A; Nicol, John J; Wellington-Oguri, Roger; Watkins, Andrew M; Parra Sperberg, R Andres; Huang, Po-Ssu; Participants, Eterna; Das, Rhiju