In the Clinical Image entitled “Sequential occurrence of reactive arthritis, seronegative spondyloarthropathy, and microscopic polyangiitis with rapidly progressive glomerulonephritis” published in the September 2023 issue (Siwiec-Koźlik A, Koźlik-Siwiec P, Miarka P, Kosałka-Węgiel J. Pol Arch Intern Med. 2023; 133: 16539. doi:10.20452/pamw.16539), another affiliation should have been added for Przemysław Miarka. Affiliation No. 4, “Clinical Department of Nephrology, Dialysis and Transplantation, University Hospital, Kraków, Poland” should have been followed by affiliation No. 5, “Department of Nephrology, Jagiellonian University Medical College, Kraków, Poland.”
The article is correct at www.mp.pl/paim.