1. 1IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia “Seràgnoli,” Bologna, Italy;
2. 2Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Università di Bologna, Bologna, Italy;
3. 3Department of Haemato-Oncology, The Royal Marsden Hospital, London, United Kingdom;
4. 4Department of Hematology, Medical University of Lodz, Lodz, Poland;
5. 5Department of Hematology, CHU Caen Normandie, Caen, France; and
6. 6Division of Molecular Pathology, The Institute of Cancer Research, London, United Kingdom