1. Bone Tumor Reference Centre Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel Basel Switzerland
2. Faculty of Informatics and Information Technologies Slovak University of Technology Bratislava Slovakia
3. Evolution and Cancer Laboratory Barts Cancer Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Barbican London UK
4. Department of Pediatrics and Children's Cancer Research Center Klinikum rechts der Isar, Technical University of Munich, School of Medicine Munich Germany
5. Hopp Children's Cancer Center Heidelberg German Cancer Research Center and University Hospital Heidelberg Heidelberg Germany
6. Klinikum Stuttgart – Olgahospital, Stuttgart Cancer Center Stuttgart Germany
7. Paediatric Orthopaedic Department University Children's Hospital Basel Basel Switzerland
8. Division of Translational Pathology Gerhard‐Domagk‐Institut of Pathology, University Hospital Münster Münster Germany
9. Department of Pediatric Oncology Klinikum Kassel Kassel Germany