1. Department of Biopathology; Institut Bergonié, Comprehensive Cancer Center; Bordeaux France
2. Comprehensive Cancer Center; INSERM U1218, Institut Bergonié; Bordeaux France
3. University of Bordeaux; Bordeaux France
4. Cancer Research Center of Toulouse; Oncosarc, INSERM UMR1037; Toulouse France
5. Department of Pathology; Institut Claudius Regaud, IUCT-Oncopole; Toulouse France
6. Department of Surgery; Institut Bergonié, Comprehensive Cancer Center; Bordeaux France
7. Department of Pathology; Belfast Health and Social Care Trust; Belfast United Kingdom
8. Department of Oncology; Institut Bergonié, Comprehensive Cancer Center; Bordeaux France
9. Department of Pathology; CHU Lyon Sud; Pierrebenite France
10. Department of Pathology; Centre JF Leclerc, Comprehensive Cancer Center; Dijon France
11. Department of Pathology; CHU Strasbourg; France