SOCIO-DEMOGRAPHIC CHARACTERISTICS AND SOCIAL ADJUSTMENT AS PREDICTORS OF A FIRST PSYCHOSIS IN SUBJECTS AT ULTRA HIGH RISK - Dragt, Sara; Nieman, Dorien H.; Becker, Hiske E.; de Fliert, J. Reinaud van; de Haan, Lieuwe; Linszen, Don H. (Schizophrenia research, 2010)