1. Department of Pathology and Translational Research, MD Anderson Cancer Center Madrid, Madrid, Spain
2. Lymphoma Research Group, Medical Oncology Department, Instituto Investigación Sanitaria Puerta de Hierro (IDIPHIM), Madrid, Spain
3. Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (CSIC, Universidad de Cantabria), Santander, Spain
4. Department of Pathology, Hospital Universitario de Móstoles, Madrid, Spain
5. Department of Pathology, Fundación Jiménez Díaz, Madrid, Spain
6. Department of Pathology, Hospital Severo Ochoa, Madrid, Spain
7. Department of Pathology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
8. Department of Hematology, MD Anderson Cancer Center Madrid, Madrid, Spain
9. Department of Molecular Translational Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA