1. Oncology Center SIREDO Institut Curie PSL Research University Paris France
2. Department of Onco‐Hematology Bambino Gesù Pediatric Hospital IRCCS Rome Italy
3. Department of Ophthalmology Institut Curie Paris France
4. Department of Biostatistics Institut Curie Paris France
5. University of Paris Paris France
6. Department of Pediatric Hematology‐Oncology Hôpital des Enfants Toulouse France
7. Department of Pediatric Hematology‐Oncology Université Aix‐Marseille/APHM, Hôpital d'Enfants de La Timone Marseille France