1. Institute of Agrobiotechnology, Center for Research and Technology Hellas, Thessaloniki, Greece;
2. IMGT, Université Montpellier 2, Laboratoire d'ImmunoGénétique Moléculaire, Institut de Génétique Humaine, UPR Centre National de la Recherche Scientifique 1142, Montpellier, France;
3. Rheumatology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden;
4. The Feinstein Institute for Medical Research, North Shore–Long Island Jewish Health System, Manhasset, NY;
5. Department of Haematology, Royal Bournemouth Hospital, Bournemouth, United Kingdom;
6. Department of Immunology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands;
7. Unit of Molecular Hematology, Istituto Scientifico San Raffaele, Milan, Italy;
8. Department of Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden;
9. Department of Hematooncology, University Hospital Brno and Central European Institute of Technology, Masaryk University, Brno, Czech Republic;
10. Department of Hematology, Rigshospitalet, Copenhagen, Denmark;
11. Department of Haematology, Imperial College Academic Health Science Centre, Hammersmith Hospital, London, United Kingdom;
12. Center for Experimental Research and Medical Studies, S. Giovanni Battista Hospital, Turin, Italy;
13. Laboratory of B Cell Neoplasia and Unit of Lymphoid Malignancies, Università Vita-Salute San Raffaele and Istituto Scientifico San Raffaele, Milan, Italy;
14. Department of Medicine, Clinical Epidemiology Unit, Karolinska Institutet, Stockholm, Sweden;
15. Hematology Department and HCT Unit, G. Papanicolaou Hospital, Thessaloniki, Greece;
16. Hematology Department and University Pierre et Marie Curie, Hôpital Pitié-Salpètrière, Paris, France;
17. Hematology Department, Nikea General Hospital, Piraeus, Greece; and
18. Lund University and Hospital Department of Hematology, Lund Stem Cell Center, Lund, Sweden