Age-dependent cumulative risk of cardiomyopathy in inherited epidermolysis bullosa (EB) expressed as percentage and stratified by EB subtype. JEB-O, junctional EB, non-Herlitz subtypes; RDEB-HS, recessive dystrophic EB, Hallopeau–Siemens; RDEB-nHS, RDEB, non-Hallopeau–Siemens.