PKP2 and Arrhythmogenic right ventricular dysplasia: There were 17 different ARVC-related variants present in 19 patients, since two individuals (13 and 28, table 2) carried the same nonsense genetic variation (PKP2 c.275T>A, p.L92*), and two other individuals (26 and 28, table 2) carried the same deletion c.1643delG, V548fsX562 in PKP2 gene.