1 Institut du Cancer Paris CARPEM, AP-HP Centre, Department of Gastroenterology and Digestive Oncology, Hôpital Européen Georges Pompidou, Paris, France. Electronic address: [email protected].
2 Institut du Cancer Paris CARPEM, AP-HP Centre, Department of Gastroenterology and Digestive Oncology, Hôpital Européen Georges Pompidou, Paris, France; Department of Internal Medicine and Medical Specialties (DiMI), School of Medicine, University of Genoa, Genoa, Italy.
3 Division of Oncology, Leeds Institute of Medical Research, University of Leeds, Leeds, UK.
4 Institut du Cancer Paris CARPEM, AP-HP Centre, Department of Gastroenterology and Digestive Oncology, Hôpital Européen Georges Pompidou, Paris, France.