In the article by Andrea Spasiano et al. entitled “COVID-19: The Dysregulated Response to Infection – Why Consider Polymethylmethacrylate Membrane in Hemodialysis Patients?” [Blood Purif. 2023;53(5):373–378; DOI: 10.1159/000533738], there is an error in the license. The article was published under CCC license instead of CC BY-NC 4.0 license.

The original article has been updated.