IL17RA and peeling skin syndrome: Expression of IL-17/IL-23 and IL-17R/IL-23R significantly correlated in minor salivary glands of patients with probable preclinical pSS (accordingly, r = 0.683, P < 0.001 and r = 0.406, P = 0.044) and nonautoimmune sicca syndrome patients (accordingly, r = 0.740, P < 0.001 and r = 0.506, P = 0.010).