The to date only EWAS in social anxiety disorder based on the Illumina MethylationEPIC BeadChip reported two differentially methylated regions located within the genes coding for the Solute Carrier Family 43 Member 2 (SLC43A2) and Tenascin XB (TNXB) to be associated with the disorder in a sample of 66 patients and 77 healthy controls [24]. Here, TNXB is linked to social phobia.