1. a Division of Hematology
2. b Division of Hematology, Ospedali Riuniti, Bergamo, Italy
3. c Department of Pathology, IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
4. d Division of Hematology, Niguarda Ca’ Granda Hospital, Milano, Italy
5. e Department of Hematology, University “La Sapienza,” Roma, Italy
6. f Azienda Ospedaliera S. Andrea, University “La Sapienza,” Roma, Italy
7. g Division of Hematology, Azienda Ospedaliera S. Giovanni Battista, Torino, Italy
8. h Division of Hematology, Policlinico “S. Maria alle Scotte”, University of Siena, Siena, Italy
9. i Department of Hematology, S. Bortolo Hospital, Vicenza, Italy
10. j Department of Hematology, Catholic University Medical School, Rome, Italy
11. k Division of Hematology, University of Udine, Udine, Italy