Lupus Erythematosus, SystemicSyndromeRetrospective StudiesAntiphospholipid SyndromePedigreeSkin DiseasesFatal OutcomePhenotypeMagnetic Resonance ImagingLupus Vasculitis, Central Nervous SystemSeverity of Illness IndexAutoantibodiesTomography, X-Ray ComputedSarcoidosisMutationTreatment OutcomeRisk FactorsMouth DiseasesBehcet SyndromeBiopsyGenotypeInfant, NewbornAge of OnsetEye DiseasesAntibodies, AntinuclearNervous System DiseasesPrevalenceBrucellosisAntibodies, AnticardiolipinMale Urogenital DiseasesAutoimmune DiseasesPhotosensitivity DisordersOral UlcerPolymerase Chain ReactionTime FactorsCryoglobulinemiaPrognosisAcute DiseaseSplenomegalyDisease Models, AnimalBrain DiseasesFemale Urogenital DiseasesFollow-Up StudiesVasculitisNeurocysticercosisHepatomegalyLymphatic DiseasesAbnormalities, MultipleExanthemaCase-Control StudiesSkinPurpura, Schoenlein-HenochProspective StudiesSkin Diseases, VascularGenetic Predisposition to DiseaseLeptospirosisSjogren's SyndromeBrainLupus Erythematosus, DiscoidGaucher DiseaseGastrointestinal DiseasesHeterozygoteAIDS-Related Opportunistic InfectionsFabry DiseaseNeurologic ManifestationsRare DiseasesIranAntibodies, AntiphospholipidIncidenceImmunoglobulin GIsaacs SyndromeFeverMarfan SyndromeScleroderma, SystemicDisease ProgressionVasculitis, Leukocytoclastic, CutaneousEnzyme-Linked Immunosorbent AssayRecurrenceErythemaTaiwanPolyarteritis NodosaHepatolenticular DegenerationBrazilDNA Mutational AnalysisArthritisChronic DiseaseMolecular Sequence DataWhipple DiseaseRadiography, ThoracicMeningitisBiological MarkersWegener GranulomatosisThailandLung DiseasesImmunosuppressive AgentsDengueCentral Nervous System DiseasesMutation, MissenseAmyloidosisCommunicable Diseases, Emerging