SPH1 (Spherocytosis, type 1), SPH2 (Spherocytosis, type 2), SPH3 (Spherocytosis, type 3), SPH4 (Spherocytosis, type 4), SPH5 (Spherocytosis, type 5) are caused by ANK1, SPTB, SPTA1, SLC4A1, and EPB42 gene mutations, respectively (He et al., 2018). Here, SPTA1 is linked to hereditary spherocytosis.