Erratum corrige: Increased serum levels of microfibrillar-associated protein 4 (MFAP4) are not associated with clinical synovitis in rheumatoid arthritis but may reflect underlying cardiovascular comorbidity. - Issa SF; Lindegaard HM; Lorenzen T; Junker K; Christensen AF; Hørslev-Petersen K; Holmskov U; Sorensen GL; Junker P (Clinical and experimental rheumatology, 2022)