STING1 and Spondyloenchondrodysplasia with immune dysregulation: The conditions include Aicardi–Goutières syndrome (AGS), familial chilblain lupus, monogenic forms of lupus, spondyloenchondrodysplasia with immune features (SPENCD), the proteasome-associated autoinflammatory syndromes (PRAAS), the IFN-stimulated gene-15 deficiency, Singleton–Merten syndrome (SMS) and its atypical presentation, the stimulator of IFN genes (STING)-associated vasculopathy with onset in infancy (SAVI), and the group is rapidly expanding [100,109,142].