High levels of global hydroxymethylation predict worse overall survival in MDS patients treated with azacitidine. - Tiso F; In 't Hout FEM; Knops R; Kroeze LI; van Rooij A; van de Loosdrecht AA; Westers TM; Langemeijer SMC; Preudhomme C; Duployez N; Fenaux P; Kosmider O; et al. (HemaSphere, 2025)