Furthermore, OS was observed in patients with Diamond–Blackfan anaemia (RPS19, MIM 603474; RPS17, MIM 180472; RPS24, MIM 602412; RPL35A, MIM 180468; RPS7, MIM 603658; RPL5, MIM 603634; RPL11), RECQL4 (encoding a DNA helicase; MIM 268400), Werner syndrome, Bloom syndrome, RAPADILINO syndrome, RECQL4c (MIM 266280, Rothmund–Thomson syndrome, and RECQL4 (encoding a DNA helicase; MIM 268400) [11]. Here, RECQL4 is linked to Bloom syndrome.