Pain MeasurementPainPain ThresholdChronic PainCatastrophizationFibromyalgiaPain ManagementPain PerceptionShoulder PainMusculoskeletal PainFacial PainConnectomeAnalgesiaNociceptorsAnalgesicsHyperalgesiaPressureAnalgesics, OpioidPain, PostoperativeHot TemperatureLow Back PainBack PainChronic DiseaseNeck PainAbdominal PainPain, IntractablePelvic PainAnalysis of VarianceAcute PainAnxietyPain, ReferredMagnetic Resonance ImagingQuestionnairesPredictive Value of TestsReproducibility of Results