IFNA1 and peeling skin syndrome: In patients with pSS, a tendency for negative correlation of the IFN score with age at sampling was noted (Rdiscovery=–0.20, pdiscovery=0.0461; Rreplication=–0.19, preplication=0.193), while this trend was absent in control individuals (Rcontrols=0.06, pcontrols=0.15) (Supplementary Figure S3).