1. Assistance Publique—Hôpitaux de Paris (AP‐HP), Nutrition Department European Hospital Georges Pompidou Paris France
2. University of Paris Paris France
3. INSERM, UMR1153, Epidemiology and Biostatistics Sorbonne Paris Cité Center (CRESS), METHODS team Paris France
4. Department of Cancer Medicine Gustave Roussy Paris France
5. Clinical Investigation Center 1418, Assistance Publique—Hôpitaux de Paris (AP‐HP) European Hospital Georges Pompidou Paris France
6. Department of General, Digestive and Metabolic Surgery La Cavale Blanche University Hospital Brest France
7. Assistance Publique—Hôpitaux de Paris (AP‐HP), Department of Digestive Surgery Louis‐Mourier Hospital Paris France
8. Assistance Publique—Hôpitaux de Paris (AP‐HP), Department of Digestive Surgery European Hospital Georges Pompidou Paris France