1. Department of Internal Medicine, University of Pavia-Istituto Di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo Foundation, Pavia, Italy;
2. Institute of Molecular Genetics, National Research Council of Italy, Pavia, Italy;
3. Department of Medical Sciences, University of Trieste, Trieste, Italy;
4. Institute for Maternal and Child Health–Istituto Di Ricovero e Cura a Carattere Scientifico Burlo Garofolo, Trieste, Italy;
5. Genetica Medica, Dipartimento di Scienze Mediche Chirurgiche, Policlinico Sant’Orsola-Malpighi, University of Bologna, Bologna, Italy;
6. Department of Oncology, Azienda “Santobono-Pausilipon,” Pausilipon Hospital, Naples, Italy;
7. Division of Pediatric Hematology/Oncology, University of Catania, Catania, Italy;
8. Oncology-Haematology and Bone Marrow Transplantation Unit, Ospedale dei Bambini, Spedali Civili, Brescia, Italy;
9. Department of Medicine, Section of Internal and Cardiovascular Medicine, University of Perugia, Perugia, Italy;
10. Department of Hematology Research, Instituto de Investigaciones Médicas Alfredo Lanari, National Scientific and Technical Research Council, University of Buenos Aires, Buenos Aires, Argentina;
11. Universitat Autònoma de Barcelona, Institut de Recerca Biomèdica Sant Pau, Barcelona, Spain;
12. Department of Advanced Diagnosis, Clinical Research Center, National Hospital Organization Nagoya Medical Center, Nagoya, Japan;
13. Medicina III Ospedale San Paolo, Dipartimento di Scienza della Salute, Università degli Studi di Milano, Milan, Italy;
14. Weill Medical College of Cornell University, New York, NY;
15. Servizio Malattie Emorragiche e Trombotiche, Istituto di Medicina Interna e Geriatria, Policlinico Agostino Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy;
16. Hematology Unit, Pediatric Department, University of Torino, Torino, Italy; and
17. Department of Medicine; University of Padova Medical School, Padova, Italy