MPO and systemic sclerosis: While our cohort contained no cases of SSc with clinical features of vasculitis, it is also worth noting that, when compared to previously published studies,33, 34 the proportion of anti‐neutrophil cytoplasmic antibody (ANCA)‐positive patients in our cohort of 26.5% (27/102) is relatively high; only a few of them, however, are positive on the more specific MPO and PR‐3 auto‐Abs (2.9% each; Table 2), which is lower than or in line with previously published studies.33, 35