TNNT2 and familial dilated cardiomyopathy: The most common genes associated with HCM were MYBPC3 (45.6%), TNNT2 (27.4%), or MYH7 (19.4%), and with DCM TTN (30.6%), MYH7 (23.6%), and FLNC (10.4%; Additional file 2: Fig. S3).