Development of the Brief Educational Guide for Individuals in Need (BEGIN): A psychoeducation intervention for individuals at risk for psychosis. - Herrera SN; Lyallpuri R; Sarac C; Dobbs MF; Nnaji O; Jespersen R; DeLuca JS; Wyka KE; Yang LH; Corcoran CM; Landa Y (Early intervention in psychiatry, 2022)