Moreover, we found that genes, such as RBM20 (Maatz et al., 2014), FKTN (Murakami et al., 2006), and LAMP2 (Nikolova et al., 2004), previously identified as causative DCM genes were also assigned to M1 (Supplementary Table 4). Here, FKTN is linked to familial dilated cardiomyopathy.