1. Montpellier Cancer Institute, Montpellier, France;
2. Centre Léon Bérard, Lyon, France;
3. Institut Régional du Cancer Montpellier, Montpellier, France;
4. University Hospital of Rangueil, Toulouse, France;
5. Centre Georges-François Leclerc, Dijon, France;
6. Centre Hospitalier Privé de Saint-Grégoire, Saint-Grégoire, France;
7. Radiotherapy and Oncology GI and Liver Unit, Institut Sainte-Catherine, Avignon, France;
8. Department of Medical Oncology, Centre Antoine-Lacassagne, Nice, France;
9. CH Saint Jean, Perpignan, France;
10. CHU Tours, TOURS, France;
11. Institut Bergonié, Bordeaux, France;
12. Clinique Claude Bernard, Albi, France;
13. Hôpital Avicenne, AP-HP, Bobigny, France;
14. Centre Hépato-Biliaire, AP-HP, Hôpital Paul Brousse, Villejuif, France;
15. Centre François Baclesse, Caen, France;
16. Centre hospitalier Côte Basque, Bayonne, France;
17. Department of Medical Oncology, Hopital Saint Eloi, Montpelier, France;
18. UNICANCER, Paris, France;
19. CHU Robert Debré, Reims, France;