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1 Unité de gastroentérologie, hépatologie, nutrition, diabétologie et maladies héréditaires du métabolisme, hôpital des enfants, TSA 70034, 330, avenue de Grande-Bretagne, 31059 Toulouse cedex 9, France; IRSD, université de Toulouse, INSERM, INRA, ENVT, UPS, Toulouse, France. Electronic address: mas.e@chu-toulouse.fr.
2 Division of gastroenterology, hepatology and nutrition, department of paediatrics, faculty of medicine, reference center for chronic and malformative oesophageal diseases, Lille university, children's hospital, 59000 Lille, France.
1 Unité de gastroentérologie, hépatologie, nutrition, diabétologie et maladies héréditaires du métabolisme, hôpital des enfants, TSA 70034, 330, avenue de Grande-Bretagne, 31059 Toulouse cedex 9, France; IRSD, université de Toulouse, INSERM, INRA, ENVT, UPS, Toulouse, France. Electronic address: mas.e@chu-toulouse.fr.
2 Division of gastroenterology, hepatology and nutrition, department of paediatrics, faculty of medicine, reference center for chronic and malformative oesophageal diseases, Lille university, children's hospital, 59000 Lille, France.