[1] Hop European George Pompidou, Med Oncol & Support Care Unit, Paris, France
[2] Ctr Hosp Mans, Dept Haematol, Le Mans, France
[3] Hop St Louis, Haematol Oncol Dept, Paris, France
[4] Ctr Oncol Gentilly, Dept Oncol, Nancy, France
[5] Hospira France, Meudon, France
[6] GECEM, Dept Epidemiol, Paris, France
[7] Ctr Leon Berard, Med Oncol, F-69373 Lyon, France