Jejunoileal BypassHyperlipidemiasDiabetic NeuropathiesPeripheral Nervous System DiseasesDiabetic RetinopathyDiabetic NephropathiesHereditary Sensory and Motor NeuropathyDiabetes Mellitus, ExperimentalDiabetic FootDiabetic AngiopathiesHereditary Sensory and Autonomic NeuropathiesOptic Neuropathy, IschemicSural NervePolyneuropathiesNeural ConductionDiabetes Mellitus, Type 2Diabetes Mellitus, Type 1Pregnancy in DiabeticsUlnar NeuropathiesAutonomic Nervous System DiseasesCharcot-Marie-Tooth DiseaseStreptozocinAlcoholic Neuropathy