1. Occupational Medicine, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
2. Unit of Innovation and Clinical Pathways, Direction of Clinical Departments, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
3. Health Directorate, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
4. Vaccination Unit, University Hospital Paediatric Department, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
5. Clinical Epidemiology Unit, Health Directorate, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy