ATM and systemic sclerosis: The disease subset of the included SSc patients showed predominant diffuse cutaneous SSc (dcSSc) in 18 out of 34 studies, and antibodies profile of SSc patients included 21 cohorts with anti-topoisomerase I antibodies (ATA) predominance, nine with anti-centromere antibodies (ACA) and two with anti-RNA polymerase III antibodies (ARA).