Authors: Nuala H Simpson; Laura Addis; William M Brandler; Vicky Slonims; Ann Clark; Jocelynne Watson; Thomas S Scerri; Elizabeth R Hennessy; Patrick F Bolton; Gina Conti-Ramsden; Benjamin P Fairfax; Julian C Knight; John Stein; Joel B Talcott; Anne O'Hare; Gillian Baird; Silvia Paracchini; Simon E Fisher; Dianne F Newbury Journal: Dev Med Child Neurol Date: 2013-10-09 Impact factor: 5.449