1. Biostatistics Unit Gustave Roussy Villejuif France
2. CESP Centre for Research in Epidemiology and Population Health, INSERM U1018, Paris‐Sud Univ Villejuif France
3. B2PHI Biostatistics, Biomathematics, Pharmacoepidemiology and Infectious Diseases Inserm U1181, UVSQ, Paris Saclay Univ Villejuif France
4. Service d'Hématologie CH Annecy Genevois Pringy France
5. FiLMC Group, Institut Bergonié Bordeaux France
6. Service d'Hématologie CHRU Brabois Vandoeuvre France
7. Institut Universitaire d'Hématologie Université Paris‐Diderot Paris7 Paris France
8. Department of Hematology Gustave Roussy Villejuif France
9. INSERM U1170 Villejuif France
10. University of Bordeaux, Inserm, Bordeaux Population Health Research Center, Team EPICENE, UMR 1219 Bordeaux France
11. Registre des Hémopathies Malignes de la Gironde, Institut Bergonié Bordeaux France
12. French Network of Population‐based Cancer Registries (FRANCIM) Toulouse France