1. Dana‐Farber/Boston Children's Cancer and Blood Disorders Center and Harvard Medical School Boston Massachusetts USA
2. Vall d'Hebron Research Institute and Department of Pediatric Hematology and Oncology Vall d'Hebron University Hospital Barcelona Spain
3. Department of Hematology Oncology and Tumor Immunology Charité ‐ Universitätsmedizin Berlin corporate member of Freie Universität and Humboldt‐Universität zu Berlin Campus Benjamin Franklin Berlin Germany
4. BTG International Inc. Conshohocken PA USA
5. Protherics Medicines Development Ltd. London UK
6. Unit of Pediatrics Foundation IRCCS San Gerardo dei Tintori Monza Italy
7. Department of Medicine and Surgery University of Milano‐Bicocca Monza Italy