Diabetic NeuropathiesAutonomic Nervous System DiseasesHereditary Sensory and Autonomic NeuropathiesValsalva ManeuverMiosisAmyl NitriteAutonomic Nervous SystemHeart RateDiabetes Mellitus, Type 1Sympathetic Nervous SystemDiabetic NephropathiesDiabetic RetinopathyDiabetes Mellitus, ExperimentalPeripheral Nervous System DiseasesDiabetic AngiopathiesDiabetes Mellitus, Type 2GastroparesisHypotension, OrthostaticDiabetic FootPain Insensitivity, CongenitalSural NerveDiabetes ComplicationsDysautonomia, FamilialShy-Drager SyndromePupil DisordersDiabetes MellitusNeural ConductionSerine C-PalmitoyltransferaseGastric EmptyingPregnancy in DiabeticsHypohidrosisHereditary Sensory and Motor NeuropathyBlood GlucoseParasympathetic Nervous SystemStreptozocinIritisParaneoplastic Syndromes, Nervous SystemMioticsNervous System DiseasesPupilPostureSweat GlandsInsulinReflex, PupillaryCardiovascular SystemAlbuminuriaAmyloid Neuropathies, FamilialHemoglobin A, GlycosylatedGastrointestinal MotilityBlood PressurePure Autonomic FailurePancreatic PolypeptideOptic Neuropathy, IschemicSweatingPolyneuropathiesGallbladder EmptyingHypoaldosteronismHypoglycemiaDiabetic CardiomyopathiesGanglia, AutonomicElectrocardiographyTime FactorsSelf MutilationHeartAutonomic Fibers, PostganglionicReference ValuesConstipationNeurologic ExaminationUlnar NeuropathiesHyperglycemiaRisk FactorsCharcot-Marie-Tooth DiseaseCase-Control StudiesSeverity of Illness IndexHypoglycemic AgentsReflexDiabetic DietPrevalence