1 Department of Health Sciences, University of Florence, Florence, 50139, Italy.
2 Department of Life Sciences and Public Health, Pediatric Allergy Unit, University Foundation Policlinico Gemelli IRCCS Catholic University of the Sacred Heart, Rome, Italy. [email protected].
3 Pediatric Unit, Department of Mother and Child Health, Salesi Children's Hospital, Ancona, 60123, Italy.
4 Allergy Unit, Meyer Children's Hospital IRCCS, Florence, 50139, Italy.
5 Pediatric Hospital Giovanni XXIII, Pediatric and Emergency Department, AOU Policlinic of Bari, Bari, 70126, Italy.
6 Pediatric Unit, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, 37126, Italy.