Correction to: Molecular Psychiatry (2009) 14, 1095–1104 (this issue); doi: 10.1038/mp.2008.48

Following the publication of the above article, the authors noted an error in the references. The first time reference 5 appears (page 2, line 4 in the 1st panel) referring to viral clearance rates it is used correctly, citing the paper by Schafer A et al. (2007). However, in all subsequent citations, reference 5 should instead refer to the following reference: