1. Childhood Immunopathology Master, University of Pavia, Pavia, Italy.
2. Pediatric Clinic, Pediatrics Department, University of Messina, Messina, Italy.
3. Pediatric Clinic, Pediatrics Department, Policlinico San Matteo, University of Pavia, Pavia, Italy.
4. Allergist Consultant, Casa di Cura Villa Montallegro, Genoa, Italy.