1. Mother and Child Welfare, General Council of the Nord Department, Lille, France.
2. Clinical Investigation Center, Pediatric Branch, CIC-PT-1403 INSERM and INSERM U995, Lille University Hospital, Lille, France.
3. Geneva, Switzerland.
4. Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Jeanne de Flandre Lille University Children's Hospital and INSERM U995, Lille, France.