The researchers used various tools to assess the subjects clinically and psychosocially, both at the start of the study and at its end. The investigators obtained, from the local Psychiatric Information Computerized System, information about community mental health, hospital, and residential services provided to the subjects during the two-year study period. The researchers obtained, from the subjects’ clinical records, information about the subjects’ psychotropic drug use, lab tests, and general practitioner visits during the two-year study period.