1. Hematology department Gregorio Marañón General University Hospital, Gregorio Marañón Health Research Institute (IiSGM) Madrid Spain
2. ATMPs Production Unit‐GMP Facility IISGM Madrid Spain
3. Paediatric Haemato‐Oncology Department La Paz University Hospital, La Paz Health Research Institute (idiPaz) Madrid Spain
4. Faculty of Medicine Universidad Autónoma de Madrid Madrid Spain
5. Faculty of Medicine Universidad Complutense de Madrid Madrid Spain