title: Erratum to: Variants in maternal COMT and MTHFR genes and risk of neural tube defects in offspring.
authors.affiliation: Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, 38 College Rd, Haidian District, Beijing, 100191, China.
authors.forename: Jufen
authors.initials: J
authors.lastname: Liu
authors.forename: Yali
authors.initials: Y
authors.lastname: Zhang
authors.forename: Lei
authors.initials: L
authors.lastname: Jin
authors.forename: Guoxing
authors.initials: G
authors.lastname: Li
authors.forename: Linlin
authors.initials: L
authors.lastname: Wang
authors.forename: Yanping
authors.initials: Y
authors.lastname: Bao
authors.forename: Yunting
authors.initials: Y
authors.lastname: Fu
authors.forename: Zhiwen
authors.initials: Z
authors.lastname: Li
authors.forename: Le
authors.initials: L
authors.lastname: Zhang
authors.forename: Rongwei
authors.initials: R
authors.lastname: Ye
authors.forename: Aiguo
authors.initials: A
authors.lastname: Ren