Correction to: European Journal of Human Genetics (2014) 21, 1308–1311; doi:10.1038/ejhg.2013.43; published online 13 March 2013
Post publication, the authors of this paper realised that the authors, Tommaso Pippucci and Giovanni Romeo had been incorrectly affiliated to: Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands, when they are in fact affiliated to: Unità Operativa di Genetica Medica, Dipartimento di Scienze Mediche e Chirurgiche Policlinico Sant'Orsola-Malpighi, Bologna, Italy.
The authors would like to apologise for their error.