1. Pathology Department; Memorial Sloan-Kettering Cancer Center; New York NY
2. Pathology Department; Institut Bergonié Cancer Center; Bordeaux France
3. Department of Pathology; Brigham & Women's Hospital; Boston MA
4. Surgery Department; Memorial Sloan-Kettering Cancer Center; New York NY
5. Oncology Department; Institut Bergonié Cancer Center; Bordeaux France
6. Pathology Department; Centre Leon Berard; Lyon France
7. Sarcoma Biology Research Center, INSERM U916 and Université Bordeaux 2; Bordeaux France