FibromyalgiaSensitivity and SpecificityFalse Positive ReactionsEnzyme-Linked Immunosorbent AssayPredictive Value of TestsReproducibility of ResultsEvaluation Studies as TopicPolymerase Chain ReactionPainPain MeasurementBalneologyFatigue Syndrome, ChronicClimatotherapyFatiguePain ThresholdPain ManagementCatastrophizationQuestionnairesComplex Regional Pain SyndromesTrazodoneQuality of LifeMusculoskeletal PainExercise TherapyMyofascial Pain SyndromesAnalgesicsRheumatic DiseasesSleep DisordersTrigger PointsHydrotherapyAmitriptylineChronic PainDepressionSeverity of Illness IndexTreatment OutcomePhilosophy, Medical