[1] Univ Naples 2, Naples, Italy
[2] Azienda Osped Umberto I, Ancona, Italy
[3] Univ Florence, Florence, Italy
[4] 4Pharma, Stockholm, Sweden
[5] Ist Giannina Gaslini, I-16148 Genoa, Italy
[6] Osped San Martino Genova, Genoa, Italy
[7] Univ Genoa, Genoa, Italy
[8] Rete Allergol Reg Piemonte, Cuneo, Italy
[9] Azienda Osped Policlin Consorziale Bari, Bari, Italy