1. Department of Visceral and Neonatal Paediatric Surgery Sorbonne Université Hôpital Armand Trousseau ‐ APHP Paris France
2. Sorbonne Université Service d'Anatomie et Cytologie Pathologiques Hôpital Armand Trousseau ‐ APHP Paris France
3. Department of Pediatric Hemato‐Oncology Sorbonne Université Hôpital Armand Trousseau ‐ APHP Paris France
4. Department of Pediatric Hemato‐Oncology Institut Gustave Roussy Villejuif France
5. Department of Pediatric Hemato‐Oncology Institut Léon Bérard Lyon France
6. Department of Pediatric Hemato‐Oncology Hôpitaux Universitaires de Nantes Nantes France
7. Neonatal Intensive Care Unit APHP.6 Hôpital Armand Trousseau Paris France
8. Pediatric Hemato‐Oncology Unit Groupe Hospitalier La Timone, APHM Marseille France