1. Division of Haematology University of Turin Turin Italy
2. Pediatric Oncohematology, Stem Cell Transplantation and Cell Therapy Division Regina Margherita Children's Hospital Turin Italy
3. Division of Haematology, Department of Oncology Presidio Molinette, AOU Città della Salute e della Scienza di Torino Turin Italy
4. Hôpital Saint‐Louis, Assistance, Publique‐Hôpitaux de Paris Paris France
5. Division of Haematology AORN Cardarelli Naples Italy