1. Department of Pathology Sidra Medicine Doha Qatar
2. Department of Pathology and Laboratory Medicine Weill Cornell Medicine – Qatar Doha Qatar
3. Department of Paediatric Haematology and Oncology Saarland University Hospital Homburg Germany
4. Department of Pathology Oslo University Hospital, Rikshospitalet Oslo Norway
5. Department of Haematology and Oncology Great Ormond Street Hospital for Children NHS Foundation Trust London UK
6. Department of Pathology, Division of Paidopathology University of Bonn Bonn Germany
7. Departmental Biology and Cancer Programme, UCL Great Ormond Street of Child Health University College London London UK
8. Histopathology Department Great Ormond Street Hospital for Children NHS Foundation Trust London UK
9. Department of Radiation Oncology Saarland University Hospital Homburg Germany