Affiliation: | .Italian Federation of Pediatric Primary Care, Turin, Italy ;.Italian Federation of Pediatric Primary Care, Rome, Italy ;.Italian Federation of Pediatric Primary Care, Bari, Italy ;.Allergy Unit, Department of Internal Medicine, Sant’Orsola-Poliambulanza Hospital, Brescia, Italy ;.Allergy and Respiratory Diseases, DIMI, IRCCS San Martino Hospital-IST-University of Genoa, Pad.Maragliano, L.go R Benzi 10, 16133 Genoa, Italy |