Correction to: Molecular Psychiatry (2011) 16, 129–144; doi:10.1038/mp.2010.63

Following the publication of this article, the authors noted that the funding information was incomplete. It should be noted that Drs Richard Keefe and Michael Kraus received support for this work from the Translational and Clinical Research (TCR) Programme funding from the Singapore National Research Foundation to the Institute of Mental Health, Singapore.