Univ. Lille, Inserm, CHU Lille, CIC 1403 - Centre d'investigation clinique, F-59000 Lille, France; Univ. Lille, Inserm, CHU Lille, U995 - LIRIC - Lille Inflammation Research International Center, F-59000 Lille, France. Electronic address: laurent.beghin@chru-lille.fr. Department of Nuclear Medicine, Lille University Hospital, Lille Hauts de France University, F-59000 Lille, France. Department of Food Science and Human Nutrition, University of Illinois, Urbana, USA. Ambulatory Paediatrician from the GREPA-Nord (Groupe de Recherche et d'Etudes en Pédiatrie Ambulatoire-Research and Study Group in Ambulatory Paediatrics from the North of France), French Association of Ambulatory Paediatrics, F-59000 Lille, France(1). Nestlé Nutrition, Nestec Ltd, Vevey, Switzerland. Nestlé Research Center, Lausanne, Switzerland. Nestlé Health Science, Vevey, Switzerland. Univ. Lille, Inserm, CHU Lille, U995 - LIRIC - Lille Inflammation Research International Center, F-59000 Lille, France; Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Lille University Children's Hospital and Lille University Faculty of Medicine, F-59000 Lille, France.