AUTHOR=Frontiers Production Office TITLE=Erratum: Impact of formulation choices on the freeze-drying of an interleukin-6 reference material JOURNAL=Frontiers in Molecular Biosciences VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/molecular-biosciences/articles/10.3389/fmolb.2022.1062810 DOI=10.3389/fmolb.2022.1062810 ISSN=2296-889X