CXCL13 and peeling skin syndrome: A previous study that included patients from the Assessment of Systemic Signs and Evolution of Sjögren’s Syndrome (ASSESS) cohort showed that serum CXCL13 and CCL11 levels were elevated in pSS patients with high EULAR Sjögren’s Syndrome Disease Activity Index (ESSDAI) score, B-cell activation and NHL [19].