1. From the Gastroenterology and Nutrition Unit, Department of Pediatrics, Centre Hospitalier Universitaire de Grenoble, Grenoble, France (JPC); the Nestlé Research Center, Lausanne, Switzerland (DG, MG); the Hôpital de la Croix Rousse, Lyon, France (JML); the Service de Néonatologie; Maternite Régionale, Nancy University, Nancy, France (JMH); the Hôpital d'Enfants Armand Trousseau, Paris, France (I