1. Pediatric Oncology and Hematology Unit IRCCS University Hospital of Bologna Bologna Italy
2. Research Unit of Nursing Science Campus Bio‐Medico University of Rome Rome Italy
3. Department of Biomedicine and Prevention University of Roma “Tor Vergata” Rome Italy
4. Pediatric Hematology and Stem Cell Transplantation Unit, Monza and Brianza Foundation for the Child and His Mother, Pediatric Clinic University of Milan Bicocca Monza Italy
5. Pediatric Oncology Department Regina Margherita Children's Hospital Turin Italy
6. Department of Public Health and Paediatric Sciences University of Turin Turin Italy