1. Department of Hematology-Immunology-Cytogenetic, Centre Hospitalier, Valenciennes, France;
2. Laboratory of Hematology, Biology and Pathology Center, Centre Hospitalier Régional Universitaire, Lille, France;
3. INSERM U837, Team 3, Cancer Research Institute of Lille, Lille, France; and
4. Service des Maladies du Sang, Hôpital Huriez, Centre Hospitalier Régional Universitaire, Lille, France