Use of schizophrenia and bipolar disorder polygenic risk scores to identify psychotic disorders - Calafato, MS; Thygesen, JH; Ranlund, S; Zartaloudi, E; Cahn, W; Crespo-Facorro, B; Díez-Revuelta, Á; Di Forti, M; Risk, Genetic; Consortium, Outcome Of Psychosis (Group); Hall, M-H; Iyegbe, C; et al. (British Journal of Psychiatry, 2018)