1Josep Carreras Leukemia Research Institute, Department of Biomedicine, School of Medicine,, University of Barcelona, Barcelona, Spain
2Erasmus University Medical Center, Rotterdam, The Netherlands
3Princess Maxima Center for Paediatric Oncology, Utrecht, The Netherlands
4GENYO, Centre for Genomics and Oncological Research: Pfizer/University of Granada/Andalusian Regional Government, Granada, Spain
5Oncohematología, Hospital Universitario Niño Jesús, Madrid, Spain
6Centro Ricerca Tettamanti, University of Milano-Bicocca, Ospedale San Gerardo Monza, Italy
7Interfant Trial Data Center, University of Milano-Bicocca, Monza, Italy
8Department of Pediatric Hemato-Oncology, Hannover Medical School, Hannover, Germany
9Pathology Service, Hospital del Mar, Barcelona, Spain
10Pediatric Hematology, A. Trousseau Hospital, Paris, France
11Developmental Tumor Biology Laboratory, Hospital Sant Joan de Deu, Barcelona, Spain
12Department of Pediatric Hematology and Oncology, Ospedale Bambino Gesù, Rome, University of Pavia, Pavia, Italy
13Biomed Division, LEITAT Technological Centre, Barcelona, Spain
14Centro de Investigacion Biomedica en Red-Oncología (CIBERONC), Barcelona, Spain
15Instituciò Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain