Cardiomyopathies/diagnosis; Lipid Metabolism, Inborn Errors/diagnosis; Mitochondrial Myopathies/diagnosis; Mitochondrial Trifunctional Protein/deficiency; Nervous System Diseases/diagnosis; Rhabdomyolysis/diagnosis; Biomarkers/blood; Cardiomyopathies/complications; Cardiomyopathies/genetics; Carnitine/analogs & derivatives; Carnitine/blood; Charcot-Marie-Tooth Disease; Diagnosis, Differential; Disease Progression; Genetic Testing; Humans; Lipid Metabolism, Inborn Errors/complications; Lipid Metabolism, Inborn Errors/genetics; Male; Middle Aged; Mitochondrial Myopathies/complications; Mitochondrial Myopathies/genetics; Mitochondrial Trifunctional Protein/genetics; Mitochondrial Trifunctional Protein, beta Subunit/genetics; Mutation; Nervous System Diseases/complications; Nervous System Diseases/genetics; Peripheral Nervous System Diseases/etiology; Recurrence; Rhabdomyolysis/complications; Rhabdomyolysis/etiology; Rhabdomyolysis/genetics