1. Institut du Cancer de Montpellier and IRCM, Université de Montpellier, Montpellier, France;
2. Lille University Hospital, Lille, France;
3. Centre Eugène-Marquis, Rennes, France;
4. Centre Oscar Lambret, Lille, France;
5. Institut de Cancérologie de l'Ouest, Saint-Herblain, France;
6. Bordeaux University Hospital, Pessac, France;
7. Lyon University hospital, Pierre-Bénite, France;
8. Marseille University hospital, Marseille, France;
9. Institut de Cancérologie de l'Ouest, Angers, France;
10. Rennes University hospital, Rennes, France;
11. Bordeaux University Hospital, Bordeaux, France;
12. Centre Eugène Marquis, Rennes, France;
13. Department of Medical Oncology, Centre Oscar Lambret, Lille, France;