DMD and Becker muscular dystrophy: P/LP variants were identified in 6 patients – 3 patients were diagnosed with TTN (HGNC:12403, NM_001267550.2)-related cardiomyopathy, 1 patient was diagnosed with DSP (HGNC:3052, NM_004415.3)-related cardiomyopathy, 1 patient was diagnosed with X-linked Emery-Dreifuss cardiomyopathy with mild muscular dystrophy, and 1 patient was diagnosed with DMD (HGNC:2928, NM_004006.2)-related Becker Muscular Dystrophy.