1. Department of Hematology Hospital Clínic Barcelona Spain
2. Oncology & Haematology Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Spain
3. CAR T‐cell Unit Pediatric Hematology and Oncology, Hospital Sant Joan de Déu Barcelona Spain
4. Leukemia & Pediatric Hematological Disorders Institut de Recerca Sant Joan de Déu Barcelona Spain
5. Department of Immunology Hospital Clínic Barcelona Spain
6. Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER) Madrid Spain
7. Centro de Investigación Biomédica en Red de Cáncer (CIBERONC) Madrid Spain
8. Apheresis Unit Hospital Clínic Barcelona Spain
9. Department of Medicine Universitat de Barcelona Barcelona Spain
10. Apheresis Unit Banc de Sang i Teixits Barcelona Spain
11. Hematopathology Unit Hospital Clínic Barcelona Spain
12. Hematology Laboratory Hospital Sant Joan de Deu Barcelona Spain
13. Department of Nuclear Medicine Hospital Clínic Barcelona Spain
14. Centro de Investigación Biomédica en Red de Bioingeniería Biomateriales y Nanomedicina (CIBER‐BBN) Madrid Spain
15. Department of Radiology Hospital Clínic Barcelona Spain
16. Immunotherapy Platform Hospital Clínic‐Sant Joan de Déu Barcelona Spain