Scleroderma, SystemicMultiple SclerosisScleroderma, DiffuseScleroderma, LimitedRaynaud DiseaseSclerosisScleroderma, LocalizedAmyotrophic Lateral SclerosisTuberous SclerosisSkinMicroscopic AngioscopySkin UlcerAutoantibodiesPulmonary FibrosisCREST SyndromeHypertension, PulmonaryFibrosisLung Diseases, InterstitialAntibodies, AntinuclearMultiple Sclerosis, Chronic ProgressiveDermisConnective Tissue DiseasesFingersNailsFibroblastsDNA Topoisomerases, Type IAutoimmune DiseasesIloprostMixed Connective Tissue DiseaseSeverity of Illness IndexCase-Control StudiesRheumatic DiseasesMicrostomiaLupus Erythematosus, SystemicSkin Diseases, MetabolicTelangiectasisSkin DiseasesPenicillamineSjogren's SyndromeBiological MarkersDisease ProgressionCentromereCells, CulturedEnzyme-Linked Immunosorbent AssayCollagen DiseasesDermatomyositisAutoantigensCollagen Type IDisability EvaluationBiopsyEsophageal DiseasesRespiratory Function TestsGenetic Predisposition to DiseaseTransforming Growth Factor betaMagnetic Resonance ImagingEncephalomyelitis, Autoimmune, ExperimentalImmunosuppressive AgentsHLA-DQ beta-ChainsDisease Models, AnimalDemyelinating DiseasesGastrointestinal DiseasesPolymyositisDiffuse Cerebral Sclerosis of SchilderConnective Tissue Growth FactorMicrocirculationVascular DiseasesLung DiseasesCollagenStatistics, NonparametricLungGastric Antral Vascular EctasiaSpinal CordImmunoglobulin GToesAutoimmunityCapillariesAge of OnsetCentromere Protein BBleomycinThermographyFos-Related Antigen-2Optic NeuritisPulmonary Diffusing CapacityBrainEchocardiography, DopplerHyalinPulse Therapy, DrugLiver Cirrhosis, BiliaryEsophagusHLA-DQ AntigensHandTreatment OutcomeHLA-DRB1 ChainsArthritis, RheumatoidNephrogenic Fibrosing DermopathyDental Devices, Home CareMyelin Basic ProteinEarly DiagnosisHand DeformitiesTime Factors