1. Institut Curie; Paris France
2. University Paris Descartes; Boulogne Billancourt France
3. Inter-Psy; Lorraine University; Nancy France
4. Health Outcomes Research Unit; Italian Group for Adult Hematologic Diseases (GIMEMA) Data Center; Rome Italy
5. Inserm U669; Paris
6. Univ Paris-Sud and Univ Paris Descartes, UMR-S0669; Paris France
7. Division of Psychosocial Research and Epidemiology; The Netherlands Cancer Institute; Amsterdam The Netherlands