1. Hematology Service Vall d'Hebron Hospital Universitari, Experimental Hematology, Vall d'Hebron Institute of Oncology (VHIO), Hospital Universitari Vall d'Hebron Barcelona Spain
2. Unit of Biological Anthropology, Department of Animal Biology, Plant Biology, and Ecology, Faculty of Biosciences Universitat Autònoma de Barcelona Barcelona Catalonia Spain
3. Immunology Service Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), Instituto Murciano de Investigación Biomédica (IMIB) Murcia Spain
4. Josep Carreras Leukaemia Research Institute, Hospital ICO‐Germans Trias i Pujol, Universitat Autònoma de Barcelona Badalona Spain
5. Pediatric Oncology and Hematology Department Hospital Universitari Vall d'Hebron Barcelona Spain
6. Pediatric Onco‐Hematology Department Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria (IMIB) Murcia Spain