RecurrenceHereditary Autoinflammatory DiseasesFamilial Mediterranean FeverCapillary Leak SyndromeAngioedemaMevalonate Kinase DeficiencyIntestinal Pseudo-ObstructionAcute DiseaseSyndromeAbdominal PainSyncopeTreatment OutcomeHypoglycemiaFollow-Up StudiesTime FactorsChronic DiseaseElectrocardiographyTomography, X-Ray ComputedProspective StudiesEpisode of CareRisk FactorsRetrospective StudiesDouble-Blind MethodMutationMagnetic Resonance ImagingPeritonitisMELAS SyndromeIncidenceFeverDepressive Disorder, MajorBacteremiaElectrocardiography, AmbulatoryInfant, NewbornCohort Studies