aDepartment of Gastroenterology and Nutrition Support, APHP Beaujon Hospital, Clichy

bLaboratory of Plasticity of Gastrointestinal Mucosa in Nutritional Pathologies and After Surgery, University of Paris, Paris

Correspondence to Francisca Joly, Gastroenterology and Nutrition Support, Beaujon Hospital, 100 bd General Leclerc, Clichy 92110, France. E-mail: [email protected]