Symptom AssessmentDepressionQuestionnairesSeverity of Illness IndexBehavioral SymptomsPsychiatric Status Rating ScalesTreatment OutcomeTime FactorsAffective SymptomsQuality of LifeProspective StudiesPrevalenceFollow-Up StudiesAnxietyDepressive DisorderRisk FactorsCross-Sectional StudiesStress Disorders, Post-TraumaticFatigueLongitudinal StudiesAsthmaMolecular Sequence DataSchizophreniaStress, PsychologicalRetrospective StudiesRespiration DisordersPainCoughLower Urinary Tract SymptomsGastroesophageal RefluxSchizophrenic PsychologyPsychotic DisordersGastrointestinal DiseasesOccupational DiseasesPsychometricsUrination DisordersRespiratory Tract DiseasesComorbidityAge FactorsSex FactorsChronic DiseaseCohort StudiesHeadachePsychophysiologic DisordersRespiratory SoundsPersonality InventoryMagnetic Resonance ImagingProdromal SymptomsHot FlashesDyspneaAdaptation, PsychologicalDyspepsiaIrritable Bowel SyndromeAmino Acid SequenceAnxiety DisordersHallucinationsAnalysis of VarianceConstipationLogistic ModelsDepressive Disorder, MajorPain MeasurementOccupational ExposureDelusionsDiagnostic and Statistical Manual of Mental DisordersHealth StatusReproducibility of ResultsRecurrencePredictive Value of TestsAcute DiseaseSyndromeTomography, X-Ray ComputedNeuropsychological TestsAntipsychotic AgentsLife Change EventsCase-Control StudiesAffectUnited StatesFlatulenceSelf ReportSleep DisordersRhinitisCognition DisordersRegression AnalysisCognitive TherapyBase SequenceHeartburnMental DisordersAttention Deficit Disorder with HyperactivityHealth SurveysPrognosisPremenstrual SyndromeBrainIrritable MoodRhinitis, Allergic, SeasonalSensitivity and SpecificityActivities of Daily LivingDisease ProgressionPilot ProjectsObsessive-Compulsive DisorderFactor Analysis, Statistical