RT Journal Article SR Electronic T1 Correction: Disparities in health care in psoriatic arthritis: an analysis of 439 patients from 13 countries JF RMD Open JO RMD Open FD EULAR SP e002031corr1 DO 10.1136/rmdopen-2021-002031corr1 VO 8 IS 1 YR 2022 UL http://rmdopen.bmj.com/content/8/1/e002031corr1.abstract AB