Illness BehaviorSick RoleAnxiety DisordersHypochondriasisAnxietySomatoform DisordersPatient Acceptance of Health CarePhobic DisordersQuestionnairesMood DisordersAnxiety, SeparationPanic DisorderMental DisordersDiagnostic and Statistical Manual of Mental DisordersPsychiatric Status Rating ScalesAnti-Anxiety AgentsAgoraphobiaBehavior, AnimalDepressive DisorderDepressive Disorder, MajorBipolar DisorderComorbidityCognitive TherapyFearInterview, PsychologicalObsessive-Compulsive DisorderDepressionSocial BehaviorSeverity of Illness IndexStress Disorders, Post-TraumaticFeeding BehaviorSubstance-Related Disorders