Correction to: Molecular Psychiatry advance online publication, 31 May 2016; doi:10.1038/mp.2016.89

Following publication of this paper, the authors noticed that affiliation 13 and the corresponding author’s address were presented incorrectly. The correct affiliation and address appear below:

13Department of Medical Genetics, Oslo University Hospital, Oslo, Norway.

Correspondence: Professor Dr S Djurovic, Department of Medical Genetics, Oslo University Hospital, Kirkeveien 166, PO Box 4956 Nydalen, Oslo 0424, Norway.