1. Assistance Publique–Hôpitaux de Paris Hemato-Oncology Department, Saint Louis Hospital, Diderot University–Sorbonne Paris Cité, Paris, France;
2. Lymphoma Unit, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland;
3. Institute of Oncology Research, Bellinzona, Switzerland;
4. Unit of Hematology, Ospedale degli Infermi, Biella, Italy;
5. Division of Oncology, Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria;
6. Division of Hematology, Department of Translational Medicine, Università del Piemonte Orientale, Ospedale Maggiore della Carità, Novara, Italy;
7. Department of Cellular Biotechnologies and Hematology, Sapienza University, Rome, Italy;
8. European Institute of Oncology, Milan, Italy;
9. Centre Hospitalier Lyon-Sud, Pierre-Benite, France;
10. Department of Haematology, Hospital Clinic, Barcelona, Spain;
11. Clinical Research Methodology Laboratory, IRCCS–Mario Negri Institute, Milan, Italy; and
12. Cancer Research UK Center, Southampton General Hospital, Southampton, United Kingdom