title: Message from the guest editor.
authors.affiliation: Division of Pediatric Neurology, Department of Pediatrics, College of Medicine, King Saud University, PO Box 2925, Riyadh 11461, Kingdom of Saudi Arabia. E-mail: mustafa_salih05@yahoo.com.
authors.forename: Mustafa A
authors.initials: MA
authors.lastname: Salih
mesh_terms: D006801:Humans; D009436:Neural Tube Defects