[1] Univ Pavia, Dept Clin Surg Diagnost & Pediat Sci, Pavia, Italy
[2] Fdn IRCCS Policlin San Matteo, Pediat Clin, Pavia, Italy
[3] Univ Messina, Allergy Unit, Dept Pediat, Messina, Italy
[4] Azienza Osped Univ Policlin Giovanni XXIII, Pediatr Unit, Bari, Italy
[5] Sapienza Univ Rome, Dept Pediat, Rome, Italy
[6] Pediat Natl Hlthcare Syst, Turin, Italy
[7] Italian Natl Res Council, Ist Biomed Immunol Mol, Palermo, Italy
[8] CNR, Inst Biomed Res & Innovat, Dept Biomed, Palermo, Italy
[9] Ist Giannina Gaslini, Allergy Ctr, Dept Pediat, Genoa, Italy
[10] ASST Rhodense, Pediat Unit, Milan, Italy
[11] Casa Cura Villa Montallegro, Allergy Clin, Genoa, Italy