Nutritional StatusAvitaminosisMalnutritionNutrition DisordersNutritional SupportNutritional Physiological PhenomenaVitaminsFolic Acid DeficiencyDeficiency DiseasesObesity, MorbidMicronutrientsTrace ElementsGastric BypassVitamin A DeficiencyZincDietary SupplementsIronFolic AcidNutrition AssessmentDietAnemiaAnthropometryPregnancyChild Nutrition DisordersProtein-Energy MalnutritionRisk FactorsChild Nutritional Physiological PhenomenaBody WeightBody HeightInfant Nutrition DisordersThinnessSerum AlbuminEnergy IntakeBody Mass IndexCross-Sectional StudiesSkinfold ThicknessHealth StatusNutrition SurveysBody CompositionGrowthNutritional RequirementsVitamin ABrazilRural PopulationSocioeconomic FactorsInfant Nutritional Physiological PhenomenaPrevalenceRenal DialysisDietary ProteinsIndonesiaInfant, NewbornGrowth DisordersElectric ImpedanceEnteral NutritionProspective StudiesWasting SyndromeRural HealthKidney Failure, ChronicAge FactorsIndiaAnemia, Iron-DeficiencyHemoglobinsStatus EpilepticusEducational StatusBangladeshBreast FeedingMineralsSex FactorsEl SalvadorChild DevelopmentIntestinal Diseases, ParasiticFood, FortifiedPeritoneal Dialysis, Continuous AmbulatoryTime FactorsMaternal Nutritional Physiological PhenomenaVitamin B DeficiencyEatingPrealbuminCohort StudiesOverweightDeveloping CountriesGuatemalaParenteral NutritionQuestionnairesSeleniumCystic FibrosisLongitudinal StudiesPyridoxineObesityVitamin B 12Follow-Up StudiesFood HabitsMothersHypoalbuminemiaParenteral Nutrition, TotalFeeding BehaviorAscorbic Acid DeficiencyTreatment OutcomeBody Weights and MeasuresBiological Markers