ERF and congenital rubella syndrome: Recently, we performed the first genetic research in the Chinese CRS cohort, which sequenced 17 genes known to be associated with CRS, including FGFR2, FGFR3, TWIST1, EFNB1, TCF12, SKI, RAB23, FGFR1, TGFBR2, POR, SMAD3, ERF, TGFBR1, MSX2, RECQL4, TGFB2, IFT43 (Wu et al., 2021).