1. Department of Medicine, Institut Bergonié, Bordeaux, France
2. Inserm CIC1401, Clinical and Epidemiological Research Unit, Institut Bergonié, Bordeaux, France
3. Department of Medicine, Institut Gustave Roussy, Villejuif, France
4. Department of Surgery, Institut Gustave Roussy, Villejuif, France
5. Department of Surgery, Centre Léon Bérard, Lyon, France
6. Department of Medical Oncology, Centre Léon Bérard, Lyon, France
7. Department of Surgery, Institut Bergonié, Bordeaux, France
8. Department of Pathology, Institut Bergonié, Bordeaux, France
9. University of Bordeaux, Bordeaux, France