| Olaf Witt | Hopp Children's Cancer Center Heidelberg, German Cancer Research Center and University Hospital Heidelberg |
| Olaf Witt | Hopp Children's Cancer Center Heidelberg, German Cancer Research Center and University Hospital Heidelberg |
| Stefan S Bielack | Klinikum Stuttgart - Olgahospital, Stuttgart Cancer Center |
| Michaela Nathrath | |
| Daniel Baumhoer | Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel |