The common BDNF polymorphism may be a modifier of disease severity in Rett syndrome

In the article “The common BDNF polymorphism may be a modifier of disease severity in Rett syndrome” by B. Ben Zeev et al. (Neurology® 2009;72: 1242–1247), an author’s name is misspelled. The seventh author is M. Vecsler. The authors regret the error.