 Global Nutritional Assessment for infants SGNA The researcher will ask the main carers of patients to complete the eating behavior questionnaire about the infants diet type of milk. supplementary feeding and weaning diet, weight loss poor weight gain, gastrointestinal symptoms,and daily activity. A rough visual assessment of the childs muscle stores and fat will be carried out by the researcher. This is a global nutritional assessment procedure recently validated in paediatric patients Secker Jeejeebhoy, 2007. The researcher will extract equivalent items for SGNA about the childs food intake, diarrhoea, vomiting, weight loss or poor weight gain or no weight gain, during the few days before admission. An observational assessment of patients will be also carried out by the researcher in terms of diminished subcutaneous fat, muscle mass and hollow face subjective clinical assessment the same as d. In addition, the researcher will use information recorded in the medical notes of the patient to assess patients underlying illness with a risk of malnutrition Anorexia nervosa, Celiac disease, Cystic fibrosis, cardiac disease, and trauma. 