[1] Bambino Gesu Childrens Res Hosp IRCCS, Dept Pediat Med, Pediat Allergol Unit, Rome, Italy
[2] Meyer Childrens Hosp, Dept Pediat, Allerg Unit, Florence, Italy
[3] Pediat Hosp Giovanni XXIII, Univ Hosp Consortium Corp Polyclin Bari, Dept Pediat, Bari, Italy
[4] Univ Pisa, Sect Pediat, Dept Clin & Expt Med, Pisa, Italy
[5] San Giovanni Dio Hosp, Dept Pediat, Crotone, Italy
[6] Santa Barbara Hosp, Pediat Unit, Iglesias, Italy
[7] Univ Montpellier, CHU Montpellier, Allergy Unit, Montpellier, France
[8] Sorbonne Univ, INSERM, UMR S 1136, Equipe EPAR,IPLESP, Paris, France