1Radiation Oncology Department, Georges Pompidou European Hospital, Assistance Publique – Hôpitaux de Paris, Paris Descartes University, Paris Sorbonne Cité, Paris, France
2INSERM UMR 1138 Team 22: Information Sciences to support Personalized Medicine, Paris Descartes University, Sorbonne Paris Cité, Paris, France
3Department of gastroenterology and digestive oncology, Georges Pompidou European Hospital, Assistance Publique – Hôpitaux de Paris, Paris Descartes University, Paris Sorbonne Cité, Paris, France
4Department of General Surgery and Surgical Oncology, Georges Pompidou European Hospital, Assistance Publique – Hôpitaux de Paris, Paris Descartes University, Paris Sorbonne Cité, Paris, France
5Gastroenterology and digestive oncology unit, Cochin University Hospital, Assistance Publique – Hôpitaux de Paris, Paris, France
6INSERM Y 1016, Université Paris Descartes, Paris, France
7Department of Digestive, Hepato-biliary and Endocrine Surgery, Cochin Hospital, Assistance Publique –Hôpitaux de Paris, Paris, France
8Department of General Surgery and Surgical Oncology, Hôpital Ambroise Paré, Assistance Publique – Hôpitaux de Paris, Boulogne-Billancourt, France
9Biomedical Informatics and Public Health Department, Georges Pompidou European Hospital, Assistance Publique – Hôpitaux de Paris, Paris Descartes University, Paris Sorbonne Cité, Paris, France
© The Author(s) 2018
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