COL7A1 and recessive dystrophic epidermolysis bullosa: Recessive dystrophic epidermolysis bullosa (RDEB) is a congenital subepidermal blistering disorder characterized by skin fragility due to bi‐allelic variants in the COL7A1 gene, which encodes type VII collagen (COL7), a major component of the anchoring fibrils present at the dermo‐epidermal junction (DEJ).17, 18