1. Department of Medical Oncology; Beaujon University Hospital and INSERM U728; Clichy France
2. Programme Cartes d'Identité des Tumeurs; Ligue Nationale Contre le Cancer; Paris France
3. Department of Pathology; Beaujon University Hospital; Clichy France
4. Department of Pathology; Institut Gustave Roussy; Villejuif France
5. Department of Pediatrics; Institut Gustave Roussy; Villejuif France
6. Department of Thoracic Oncology; University of Texas, MD Anderson Cancer Center; Houston TX
7. Department of Hepato-biliary Surgery; Beaujon University Hospital; Clichy France
8. Department of Pediatric Surgery; Bicêtre University Hospital, University Paris XII; Paris France