1. Department of Hematology; Centro Hospitalar e Universitário de Coimbra; Coimbra Portugal
2. Department of Haematology; Belfast City Hospital; Belfast Northern Ireland UK
3. Unité Mixte de Recherche (UMR) 892 Inserm - 6299 CNRS; Université de Nantes; Nantes France
4. Laboratoire de Génétique Oncologique de l'Ecole Pratique des Hautes Etudes (EPHE), INSERM U753; Institut de cancérologie Gustave Roussy; Villejuif France
5. Department of Clinical Chemistry and Haematology; University Medical Center Utrecht; Utrecht The Netherlands
6. Dipartimento della Donna; del Bambino e di Chirurgia Generale e Specialistica, Second University of Naples; Naples Italy
7. Department of Biochemistry; Biophysics and General Pathology, Second University of Naples; Naples Italy
8. Laboratoire d'Hématologie; Centre Hospitalier Universitaire Dijon; France
9. Departments of Medicine and Laboratory Medicine; Örebro University Hospital; Örebro Sweden
10. Department of Cell and Developmental Biology; Sackler Faculty of Medicine, Tel-Aviv University; Ramat-Aviv Israel
11. Munich Leukemia Laboratory; MLL Munich Germany
12. Department of Clinical Chemistry; Karolinska University Hospital; Stockholm Sweden
13. Department of Hematology/Oncology; St. Anna Children's Hospital, Medical University of Vienna; Vienna Austria
14. Department of Medicine DIMED; University of Padua; Padua Italy
15. Hôpital Saint Antoine, Assistance Publique-Hôpitaux de Paris and Pierre et Marie Curie University; Institut Gustave Roussy; UMR 1009 Villejuif France
16. UMR 1009 and GRex; INSERM, Université Paris-Sud, Institut Gustave Roussy; Villejuif France
17. Department of Pediatric Hematology; Hospital Sant Joan de Déu de Barcelona, University of Barcelona; Spain
18. Department of Haematology; CCRCB, Queen's University; Belfast Northern Ireland UK
19. Department of Pediatrics and Adolescent Medicine; University Medical Center Ulm; Ulm Germany