| Affiliation: | 1. University Department of Pediatrics, DPUO, Unit of Immune and Infectious Diseases, Bambino Gesù Children''s Hospital, Rome, Italy;2. Department of Public Health, University of Rome, Tor Vergata, Rome, Italy;3. Department of Infectious, Parasitic and Immunomediated Diseases, WHO National Influenza Centre, Istituto Superiore di Sanità (ISS), Rome, Italy;4. Department of Pediatric Medicine, Bambino Gesù Children''s Hospital, Rome, Italy;5. Department of Microbiology and Immunology, University of Miami, Miller School of Medicine, Miami, Fla |
