Therefore, we have further analyzed the patient and three of his family members carrying R144W mutation having DCM phenotype with eight other genes (β-MYH7, MYBPC3, TPM1, TNNI3, TTN, ACTC, MYL2 and MYL3), to rule out compound heterozygosity. This evidence concerns the gene MYL2 and familial dilated cardiomyopathy.