Development and psychometric performance of the schizophrenia objective functioning instrument: an interviewer administered measure of function - Kleinman, L; Lieberman, J; Dube, S; Mohs, R; Zhao, Y; Kinon, B; Carpenter, W; Harvey, P D; Green, M F; Keefe, R S; Frank, L; Bowman, L; Revicki, D A (Schizophr Res, 2009)