1. Department of Woman and Child Health; Laboratory of Haematology-Oncology; University of Padova; Padova Italy
2. Department of Pediatrics; Lalla Seragnoli, Haematology-Oncology Unit; University of Bologna; Bologna Italy
3. Pediatric Onco-Haematology; Stem Cell Transplantation and Cellular Therapy Division; Regina Margherita Children's Hospital; Torino Italy
4. Department of Pediatric Haemato-Oncology; Santobono-Pausilipon Hospital; Napoli Italy
5. Department of Pediatric Haemato-Oncology; IRCCS Istituto “Giannina Gaslini”; Genova Italy
6. Department of Pediatrics; Centro Ricerca Tettamanti; Università di Milano-Bicocca; Monza Italy
7. Department of Pediatrics; Policlinico di Bari; Bari Italy
8. Department of Pediatric Haemato-Oncology; Fondazione IRCCS Policlinico S. Matteo; Pavia Italy
9. Department of Pediatric Haematology-Oncology; Istituto di Ricovero e Cura a Carattere Scientifico; Ospedale Bambino Gesù, Rome; University of Pavia; Pavia Italy