title: Erratum to 'Maternal prepregnancy body mass index and risk of neural tube defects: A population-based case-control study in Shanxi Province, China'.
authors.affiliation: Institute of Reproductive and Child Healths, Peking University Health Science Center.
authors.forename: Zhiwen
authors.initials: Z
authors.lastname: Li
authors.affiliation: Institute of Reproductive and Child Healths, Peking University Health Science Center.
authors.forename: Jianmeng
authors.initials: J
authors.lastname: Liu
authors.affiliation: Institute of Reproductive and Child Healths, Peking University Health Science Center.
authors.forename: Rongwei
authors.initials: R
authors.lastname: Ye
authors.affiliation: Institute of Reproductive and Child Healths, Peking University Health Science Center.
authors.forename: Le
authors.initials: L
authors.lastname: Zhang
authors.affiliation: Institute of Population Research/WHO Collaborating Center on Reproductive Health and Population Science, Peking University.
authors.forename: Lijun
authors.initials: L
authors.lastname: Pei
authors.affiliation: Institute of Population Research/WHO Collaborating Center on Reproductive Health and Population Science, Peking University.
authors.forename: Xiaoying
authors.initials: X
authors.lastname: Zheng
authors.affiliation: Institute of Reproductive and Child Healths, Peking University Health Science Center.
authors.forename: Aiguo
authors.initials: A
authors.lastname: Ren