[1] San Camillo de Lellis Hosp, Dept Pediat, Rome, Italy
[2] Univ Bari, Dept Pediat, Clin Pediat 1, Bari, Italy
[3] Univ Milan, Sch Med, Dept Child & Maternal Med, Fatebenefratelli Melloni Hosp, Milan, Italy
[4] Univ Padua, Dept Pediat, Ctr Food Allergy Diag & Treatment Veneto Reg, Padua, Italy
[5] Univ Florence, Allergy & Clin Immunol Unit, A Meyer Children Hosp, Florence, Italy
[6] Univ Turin, Dept Pediat, Regina Margherita Childrens Hosp, I-10124 Turin, Italy
[7] Univ Roma La Sapienza, Dept Pediat, Policlin Umberto I, Rome, Italy
[8] Laltrastatist Srl Consultancy & Training, Biostat Off, Rome, Italy