[1] IRCCS Ist Giannina Gaslini, Allergy Ctr, Genoa, Italy
[2] Univ Milan, Dept Biomed Sci Hlth, Clin Microbiol & Microbiome Lab, Milan, Italy
[3] IRCCS Multimed Hosp, UOC Lab Clin Med, Milan, Italy
[4] Univ Napoli Federico II, Dept Pharm, Naples, Italy
[5] Jiangsu Univ, Int Res Ctr Food Nutr & Safety, Zhenjiang, Peoples R China
[6] Sapienza Univ Rome, Dept Maternal Infantile & Urol Sci, Rome, Italy
[7] Primary Care Paediat, ASL Caserta, Caserta, Italy
[8] Univ Campania Luigi Vanvitelli, Dept Woman Child & Gen & Specialized Surg, Naples, Italy
[9] Fdn IRCCS Policlin San Matteo, Pediat Clin, Pavia, Italy
[10] Univ Molise, Dept Otolaryngol, Campobasso, Italy
[11] Casa Cura Villa Montallegro, Allergy Clin, Via Montezovetto, Genoa, Italy