Nat. Rev. Neurol. 6, 11–13 (2010)

In the January 2010 issue of Nature Reviews Neurology, an incorrect reference was cited. Reference 4 should have been: Bertram L., McQueen M. B., Mullin K., Blacker D. & Tanzi R. E. Systematic meta-analyses of Alzheimer disease genetic association studies: the AlzGene database. Nat. Genet. 39, 17–23 (2007).