1. Maternal and Child Health Department Pediatric Hematology, Oncology and Stem Cell Transplant Center University of Padua Padua Italy
2. Pediatric Research Institute “Città della Speranza” Padua Italy
3. Center of Pediatric Hematology‐Oncology Azienda Policlinico—San Marco Catania Italy
4. Department of Pediatric Hematology Oncology, Fondazione IRCCS San Gerardo dei Tintori, Centro Maria Letizia Verga University of Milano‐Bicocca Monza Italy