16 Department of Paediatric Haematology and Oncology, Second Faculty of Medicine, Charles University, Prague, Czech Republic.
17 University Hospital Motol, Prague, Czech Republic.
18 University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
19 NHS North Thames Genomic Laboratory Hub, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
20 Genetics of Acute Leukaemia Laboratory-GenLAb, Instituto Nacional de Câncer-INCA, Rio de Janeiro, Brazil.
21 Department of Laboratory Haematology and Cytogenetics, Tata Medical Centre, Kolkata, India.
22 Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University Centre for Cancer, Newcastle upon Tyne, UK.
23 Department of Pediatrics, Oncology and Hematology, Medical University of Łódź, Łódź, Poland.
24 St. Anna Children's Cancer Research Institute (CCRI), Vienna, Austria. sabine.strehl@ccri.at.