Diabetic NeuropathiesAutonomic Nervous System DiseasesHereditary Sensory and Autonomic NeuropathiesSyndromeValsalva ManeuverAutonomic Nervous SystemPeripheral Nervous System DiseasesMiosisHypotension, OrthostaticGastroparesisPain Insensitivity, CongenitalDysautonomia, FamilialDiabetes Mellitus, Type 1Shy-Drager SyndromeSural NervePupil DisordersHeart RateSerine C-PalmitoyltransferaseHypohidrosisHereditary Sensory and Motor NeuropathyNeural ConductionGastric EmptyingParaneoplastic Syndromes, Nervous SystemIritisParasympathetic Nervous SystemMioticsSweat GlandsPosturePupilNervous System DiseasesDiabetes Mellitus, Type 2Reflex, PupillaryAmyloid Neuropathies, FamilialCardiovascular SystemPure Autonomic FailureDiabetes ComplicationsGastrointestinal MotilityOptic Neuropathy, IschemicPancreatic PolypeptideSweatingGallbladder EmptyingPolyneuropathiesGanglia, AutonomicHypoaldosteronismSelf MutilationElectrocardiographyDown SyndromeBlood PressureMetabolic Syndrome XAutonomic Fibers, PostganglionicAmyl NitriteSympathetic Nervous SystemConstipationDiabetes MellitusUlnar NeuropathiesHypoglycemiaCharcot-Marie-Tooth DiseaseHeartDiabetes Mellitus, ExperimentalNeurologic ExaminationDiabetic NephropathiesDeath, SuddenReflexPedigreeGastrointestinal TransitRespirationSjogren's SyndromeAlcoholic NeuropathyNephrotic SyndromeVibrationVagus NerveGanglia, SympatheticAlbuminuriaErectile DysfunctionHeart DiseasesCase-Control StudiesTime FactorsHemoglobin A, GlycosylatedReference ValuesGuillain-Barre SyndromeFemoral NeuropathyRisk FactorsOptic Atrophy, Hereditary, LeberBlood GlucoseDiabetic AngiopathiesOptic Nerve DiseasesMedian NeuropathyPrevalenceGallbladderInsulinPeripheral NervesSeverity of Illness IndexFollow-Up StudiesAmyloid NeuropathiesTurner SyndromeCardiovascular DiseasesDiarrheaOptic Atrophies, HereditaryCranial Nerve DiseasesElectrocardiography, Ambulatory