AnxietyAnxiety DisordersDental AnxietyDepressionAnxiety, SeparationManifest Anxiety ScalePhobic DisordersPsychiatric Status Rating ScalesTest Anxiety ScaleQuestionnairesDepressive DisorderAnti-Anxiety AgentsStress, PsychologicalPanic DisorderSeverity of Illness IndexPersonality InventorySymptom AssessmentFearQuality of LifePerformance AnxietyCognitive TherapyMood DisordersComorbidityTreatment OutcomePsychometricsAdaptation, PsychologicalPrevalenceBehavioral SymptomsStress Disorders, Post-TraumaticDiagnostic and Statistical Manual of Mental DisordersCross-Sectional Studies