1. 1Sarcoma Unit, Institut Bergonié, Bordeaux, France.
2. 2INSERM, U1312, Bordeaux, France.
3. 3Service Commun des Animaleries, Unversity of Bordeaux, Bordeaux, France.
4. 4Department of Radiation Therapy, Institut Bergonié, Bordeaux, France.
5. 5Faculty of Medicine, University of Bordeaux, Bordeaux, France.
6. 6Department of Pathology, Institut Bergonié, Bordeaux, France.
7. 7AstraZeneca, Cambridge, United Kingdom.