1. Pediatric Immunopathology and Allergology Unit University of Rome Tor Vergata Policlinico Tor Vergata Rome Italy
2. Molecular and Cellular Immunology Unit Great Ormond Street Institute of Child Health University College of London London UK
3. Department of Pediatrics and Emergency Azienda Ospedaliero Universitaria Consorziale Policlinico Ospedale Pediatrico “Giovanni XXIII” Bari Italy
4. Pediatric Intermediate Care Unit Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
5. Pediatrics and Neonatology Unit Maternal‐Infant Department “Monsignor A.R. Dimiccoli” Hospital Barletta Italy
6. Department of Public Health and Pediatrics Regina Margherita Children Hospital University of Turin Turin Italy
7. Innovation and Clinical Pathways Unit Bambino Gesù Children’s Hospital IRCCS Rome Italy