[1
]Department of Biomedical Science and Human Oncology, Pediatric Unit University of
Bari “Aldo Moro” Bari Italy
[2
]Department of Pediatric Onco‐Hematology University Hospital of Parma Parma Italy
[3
]Pediatric Hematology and Oncology Unit A.R.N.A.S. Ospedale Civico Palermo Italy
[4
]Department of Translational and Precision Medicine Sapienza University of Rome Rome
Italy
[5
]Pediatric Hemato‐Oncology Unit Department of Clinical and Experimental Medicine University
of Catania Catania Italy
[6
]Paediatric Department ASST‐Sette Laghi “F. Del Ponte” Hospital Varese Italy
[7
]Pediatric Hematology‐Oncology Unit Department of Women's and Children's Health Azienda
Ospedaliera‐University of Padova Padua Italy
[8
]Hemato‐Oncology Unit Children Hospital Spedali Civili Brescia Italy
[9
]Regional Reference Centre for Haemostasis and Thrombosis IRCCS Paediatric Hospital
“Bambino Gesù,” Rome Italy
[10
]Department of Pediatric and Public Health Sciences University of Torino Turin Italy
[11
]Hemato‐Oncology Unit Fondazione MBBM San Gerardo Hospital Monza Italy
[12
]Pediatric Hematology/Oncology IRCCS Policlinico San Matteo Foundation University of
Pavia Pavia Italy
[13
]Pediatric Hematology Oncology Presidio Ospedaliero Vito Fazzi Lecce Italy