Affiliation: | 1. Department of Pediatrics, Pediatric Clinic, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy;2. Emergency Department, Istituto Giannina Gaslini, Genoa, Italy;3. Pediatric Allergy Center, Istituto Giannina Gaslini, Genoa, Italy;4. Allergy Clinic, Casa di Cura Villa Montallegro, Genoa, Italy |