Correction to: Stem Cell Research & Therapy (2022) 13:309 https://doi.org/10.1186/s13287-022-02977-y

On page 8 of the original article [1], in the sentence: "… differentiation of iPSCs in pancreatic β-cells, namely Wnt; Nodal/Activin A; BMPs; FGF; EGF (epidermal growth factor); Hedgehog; retinoid; and Notch (Fig. 1).". This figure indication is incorrect; the correct figure corresponding to this sentence is Fig. 2.