| Affiliation: | 1. Operative Complex Unit of Pediatrics, S. Camillo‐Forlanini Hospital, Rome, Italy;2. Department of Pediatrics, University of Messina, Messina, Italy;3. Operative Complex Unit of Pediatrics and Neonatal Patology, Mazzoni Hospital, Ascoli Piceno, Italy;4. Pediatric Respiratory Diseases Unit of the Department of Pediatrics, Allergy Unit of the Department of Respiratory Diseases, University Hospital of Montpellier, Montpellier, France;5. Operative Complex Unit of Pediatrics, Hospital of Belcolle Viterbo, Belcolle Viterbo, Italy;6. Pediatric Unit, Ramazzini Hospital, Carpi, Italy;7. Operative Unit of Pediatric Allergy, San Giuseppe da Copertino Hospital, Copertino, Italy;8. Institute of Biomedicine and Molecular Immunology, National Research Council, Palermo, Italy;9. L'altrastatistica srl, Consultancy & Training, Biostatistics office, Rome, Italy;10. Primary Care Pediatrics, ASL Salerno, Vietri sul Mare, Italy |
