1. Veneto Regional Center for Pediatric Palliative Care and Pain Control, Department of Women's and Children's Health, Padua General Hospital, Padua, Italy.
2. Pediatric Intensive Care Unit, Department of Women's and Children's Health, Padua General Hospital, Padua, Italy.
3. Fondazione Maruzza Lefebvre D'Ovidio Onlus (Maruzza Foundation), Rome, Italy.
4. Education and Training Department, Padua General Hospital, Padua, Italy.