Author Correction: Analysis of O-glycoforms of the IgA1 hinge region by sequential deglycosylation (Scientific Reports, (2020), 10, 1, (671), 10.1038/s41598-020-57510-z)

The Competing interests section in this Article was incomplete. “The authors declare no competing interests.” now reads: “M. B. Renfrow and J. Novak are co-founders and co-owners of and consultants for Reliant Glycosciences, LLC and co-inventors on the US patent application 14/318,082 (assigned to UAB Research Foundation that distributes royalties to the inventors). The other authors declare no competing interests.” The original Article has been corrected.