1. Allergy Unit Department of Pediatrics Meyer Children’s University Hospital Florence Italy
2. Pediatric Department Latisana‐Palmanova Hospital Azienda Sanitaria Universitaria Friuli Centrale Udine Italy
3. Department of Pediatrics Pediatric Clinic Fondazione IRCCS Policlinico San Matteo University of Pavia Pavia Italy
4. Predictive and Preventive Medicine Research Unit, Multifactorial and Systemic Diseases Research Area Pediatric Allergy Unit Bambino Gesù Children's Hospital IRCCS Rome Italy
5. Pediatric Unit and Emergency University Hospital Consortium Corporation Polyclinic of Bari Pediatric Hospital Giovanni XXIII Bari Italy
6. Department of Medicine and Surgery University of Parma Parma Italy
7. Pediatric Unit ASST Mantua Mantua Italy
8. Department of Medicine University of Verona Policlinico GB Rossi Verona Italy
9. Pediatric Unit Senigallia Hospital Senigallia Italy
10. Department of Human Pathology in Adult and Development Age “Gaetano Barresi” Allergy Unit Department of Pediatrics AOU Policlinico Gaetano Martino Messina Italy