Diabetes Mellitus, ExperimentalDiabetes Mellitus, Type 2Diabetes MellitusDiabetes Mellitus, Type 1Diabetes ComplicationsBlood GlucoseDiabetes, GestationalHypoglycemic AgentsInsulinHemoglobin A, GlycosylatedRisk FactorsHyperglycemiaGlucose Tolerance TestDiabetic AngiopathiesDiabetic NephropathiesDiabetic NeuropathiesInsulin ResistanceDiabetic RetinopathyPrevalenceObesityIslets of LangerhansPregnancy in DiabeticsStreptozocinDiabetic KetoacidosisBody Mass IndexHypertensionPrediabetic StateCase-Control StudiesGlucose IntoleranceProspective StudiesHypoglycemiaFollow-Up StudiesCardiovascular DiseasesCohort StudiesSulfonylurea CompoundsInsulin-Secreting CellsDiabetes InsipidusGlucoseMetforminIncidenceBlood Glucose Self-MonitoringTime FactorsRetrospective StudiesC-PeptideAlbuminuriaFastingTreatment Outcome