1. 1Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy;
2. 2Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy;
3. 3Unità Operativa Complessa (UOC), Medicina Servizio e Ambulatorio di Ematologia Ospedale di Riferimento Regionale “Antonio Cardarelli,” Campobasso, Italy;
4. 4Department of Translational Medicine, University of Eastern Piedmont, Novara, Italy;
5. 5Department of Hematology, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark;
6. 6Niguarda Cancer Center, Azienda Socio-Sanitaria Territoriale (ASST) Grande Ospedale Metropolitano Niguarda, Milano, Italy;
7. 7Clinical Haematology, Barts Health National Health Service (NHS) Trust and Queen Mary University, London, United Kingdom;
8. 8Servicio de Hematologia, Área de Banco de Sangre y Establecimiento de Tejidos Hospital, Universitario Virgen del Rocío, Sevilla, Spain;
9. 9Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (ProMISE), University of Palermo, Palermo, Italy;
10. 10Department of Hematology, Odense University Hospital, Odense, Denmark; and
11. 11Servicio de Hematología, Hospital Universitario de Burgos, Burgos, Spain