DSG2 and arrhythmogenic right ventricular cardiomyopathy: Finally, from a technical perspective, anti-DSG2-abs were tested by Chatterjee et al. with the Enzyme-Linked ImmunoSorbent Assay (ELISA) method, while the only validated technique for AHA and AIDA assessment is immunofluorescence (IFL) [10], and a correlation between the two methods in ARVC has not been explored so far.