1. Division of Pediatric Gastroenterology and Nutrition (DPGN), Necker‐Enfants Malades Hospital University of Paris Cité‐UFR Paris Descartes, Certified Expert Center for Home Parenteral Nutrition, Reference Center for Rare Digestive Diseases in Children Paris France
2. Unité transversale d'éducation thérapeutique (UTET), Necker‐Enfants Malades Hospital University of Paris Cité‐UFR Paris Descartes Paris France
3. Hospital Pharmacy, Necker‐Enfants Malades Hospital University of Paris Cité‐UFR Paris Descartes Paris France
4. Social Assistance Office, Necker‐Enfants Malades Hospital University of Paris Cité‐UFR Paris Descartes Paris France
5. Division of Gastroenterology and Nutrition, Beaujon Hospital University of Paris Cité‐UFR Paris Descartes, Certified Expert Center for Home Parenteral Nutrition, Reference Center for Rare Digestive Diseases in adults Clichy France