Energy Expenditure and Body Composition of Infants and Young Children (6-24 Months Old) in Asia

Inclusion Criteria for Mothers: * Being aged \>18 y old * Being non-smoker * Gestational age at delivery 37-41weeks * Belonging to the major ethnicity of the country * Having any socio-economic status * Willing to sign informed written consent Inclusion Criteria for Infants: * Healthy baby * Full term * Having birth weight between 2.5 and 4.0 kg * Height-for-age Z score and weight-for-height Z score at or above -2SD * Being exclusively or predominantly breast-fed for at least 3 months Exclusion Criteria for Mothers: * Mothers: having chronic diseases, e.g., gestational diabetes were excluded. Exclusion Criteria for Infants: * Having inborn errors or chronic diseases e.g., celiac diseases * Taking special supplement, e.g., RUTF.