1. Hematology Department, Hôpital Avicenne, AP-HP; University Paris 13; Bobigny; France
2. Hematology Department, Hôpital Dupuytren; University Limoges; Limoges; France
3. Hematology Department, Hôpital Mignot; University Versailles - Saint Quentin; Le Chesnay; France
4. Hematology Department; Hôpital d'Instruction des Armées; Clamart; France
5. Hematology Department, Hôpital Henri Mondor, AP-HP; University Paris 12; Créteil; France
6. Hematology Department, Hôpital Saint-Louis, Assistance Publique - Hôpitaux de Paris (AP-HP); University Paris 7; EA 3518; Paris; France
7. Hematology Department; Hôpital Lyon Sud; Pierre-Bénite; France
8. Hematology Department, Hôpital Claude Huriez; University Lille; Lille; France
9. Department of Biostatistics, Hôpital Saint-Louis, AP-HP; University Paris 7; Paris; France