title: WITHDRAWN: BMP signaling and neurogenesis of developing spinal cord.
abstract: This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
authors.affiliation: Laboratory of Molecular Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 320 Yue Yang Road,Shanghai 200031,China.
authors.forename: Zhihui
authors.initials: Z
authors.lastname: Xie
authors.forename: Yongfeng
authors.initials: Y
authors.lastname: Chen
authors.forename: Zhenfei
authors.initials: Z
authors.lastname: Li
authors.forename: Ye-Guang
authors.initials: YG
authors.lastname: Chen
authors.forename: Francois
authors.initials: F
authors.lastname: Guillemot
authors.forename: Lin
authors.initials: L
authors.lastname: Li
authors.forename: Naihe
authors.initials: N
authors.lastname: Jing