SUN2 and familial dilated cardiomyopathy: Genetic variants in further genes with established association for DCM/LVNC accounted for the rest of the cases: variants in genes coding for sarcomere proteins (e.g., MYH7, MYBPC3, and TNNT2), nuclear envelope proteins (e.g., LMNA), or the cytoskeleton (FLNC) (Supplementary Figure S2).