Psychotic DisordersSchizophreniaDelusionsPsychoses, Substance-InducedAffective Disorders, PsychoticHallucinationsBipolar DisorderSchizophrenic PsychologyAntipsychotic AgentsPsychiatric Status Rating ScalesMental DisordersProdromal SymptomsSchizotypal Personality DisorderDiagnostic and Statistical Manual of Mental DisordersMood DisordersShared Paranoid DisorderParanoid DisordersSchizophrenia, ParanoidPsychoses, AlcoholicQatarAnxiety DisordersCannabisPsychoanalytic InterpretationPalauInterview, PsychologicalHospitals, PsychiatricDepressive Disorder, MajorRisperidoneCognition DisordersComorbidityRisk FactorsSubstance-Related DisordersDiagnosis, Dual (Psychiatry)Marijuana AbusePsychiatric Department, HospitalCommitment of Mentally IllNetherlands AntillesSeverity of Illness IndexEarly Medical InterventionBrief Psychiatric Rating ScaleDepressive DisorderEmergency Services, Psychiatric2',3'-Cyclic Nucleotide 3'-PhosphodiesteraseAge of OnsetNeuropsychological TestsFollow-Up StudiesLongitudinal StudiesInternational Classification of DiseasesCognitive TherapyDepressionHaloperidolPsychometricsHospitalizationAffective SymptomsCase-Control StudiesClozapineBrainStress Disorders, Post-TraumaticPrevalenceQuestionnairesCommunity Mental Health ServicesSex FactorsCross-Sectional StudiesEarly DiagnosisChild of Impaired ParentsMarylandTreatment OutcomeMental Health ServicesUnited States Agency for Healthcare Research and QualityMagnetic Resonance ImagingSiblingsSocial EnvironmentFamilyGenetic Predisposition to DiseaseAge FactorsSocial AdjustmentObsessive-Compulsive DisorderTime FactorsAttention Deficit Disorder with HyperactivityRetrospective StudiesSocial BehaviorProspective StudiesAnalysis of VarianceCohort StudiesDisease ProgressionAcute DiseaseSocioeconomic FactorsIncidenceNetherlandsAutistic DisorderFinlandPhenotypePhobic DisordersBehavioral SymptomsChild Development Disorders, PervasiveReproducibility of ResultsUnited StatesSymptom AssessmentPredictive Value of TestsPatient Compliance