1. Lymphoma Unit, Department of Haematology, Health Research Institute IIS-FJD, Fundación Jiménez Díaz University Hospital, Madrid, Spain
2. Hematology Department Department, IMIBIC Hospital Universitario Reina Sofía, UCO, Cordoba, Andalucía, Spain
3. Hematology Department, Institut Català D’oncologia, IDIBELL, L’Hospitalet de Llobregat, Spain
4. Hematology Department, Hospital Universitario Ramón y Cajal, Madrid, Spain
5. Pathology Department, Hospital Clinic, Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), CIBERONC, Universitat de Barcelona, Spain
6. Department of Haematology, Vall d’Hebron Institute of Oncology (VHIO), Vall d’Hebron University Hospital (HUVH), Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
7. Hematology Department, Complexo Hospitalario Universitario de Santiago de Compostela, La Coruña, Spain
8. Hematology Department, Hospital Universitario Central de Asturias, Oviedo, Spain
9. Hematology Department, Hospital Universitario Marqués de Valdecilla, Santander, Spain
10. Medical Oncology Department, Hospital Universitari i Politecnic La Fe, Valencia, Spain
11. Hematology Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
12. Hematology Department, Hospital Universitario Virgen del Rocío, Instituto de Biomedicina de Sevilla (IBIS)/Universidad de Sevilla, Seville, Spain
13. Medical Department, Takeda Farmacéutica España S.A, Spain
14. Hematology Department, Hospital Universitario de Salamanca, IBSAL, CIBERONC, Salamanca, Spain