Authors: Marta Di Forti; Arianna Marconi; Elena Carra; Sara Fraietta; Antonella Trotta; Matteo Bonomo; Francesca Bianconi; Poonam Gardner-Sood; Jennifer O'Connor; Manuela Russo; Simona A Stilo; Tiago Reis Marques; Valeria Mondelli; Paola Dazzan; Carmine Pariante; Anthony S David; Fiona Gaughran; Zerrin Atakan; Conrad Iyegbe; John Powell; Craig Morgan; Michael Lynskey; Robin M Murray Journal: Lancet Psychiatry Date: 2015-02-25 Impact factor: 27.083