SCN5A and familial dilated cardiomyopathy: In our specific research, SCN5A was identified in individuals who underwent testing for BrS, DCM, SCD, LQTS, NCCM, and ACM (specifically, Supplementary Material 2 cases 5, 8, 9, 26.2, 30, 31, 32, 41.2 and 42.2).