[1] Meyer Childrens Hosp IRCCS, Allergy Unit, Florence, Italy
[2] Univ Verona, Dept Surg Sci Dent Gynecol & Pediat, Pediat Unit, Verona, Italy
[3] Azienda Sanit Univ Friuli Cent, Gen Pediatrician, Udine, Italy
[4] Univ Florence, Dept Hlth Sci, Florence, Italy
[5] IRCCS, Bambino Gesu Childrens Hosp, Div Allergy, Translat Res Pediat Specialties Area, Rome, Italy
[6] Salesi Childrens Hosp, Dept Mother & Child Hlth, Pediat Unit, Ancona, Italy
[7] AOU Policlin Bari, Pediat Hosp Giovanni XXIII, Pediat & Emergency Dept, I-70126 Bari, Italy
[8] Univ Campania Luigi Vanvitelli, Dept Woman Child & Gen & Specialized Surg, Naples, Italy
[9] Univ Cattolica Sacro Cuore, Univ Fdn Policlin Gemelli IRCCS, Dept Life Sci & Publ Hlth, Pediat Allergy Unit, Rome, Italy
[10] Fdn IRCCS Policlin San Matteo, Pediat Clin, Pavia, Italy