[1] Clin Malattie Rare Aldo & Cele Dacco, Ctr Ricerche, Ist Ricerche Farmacol Mario Negri, GiViTI Coordinating Ctr, I-24020 Bergamo, Italy
[2] Pneumol Osped Riuniti Trieste, I-34100 Trieste, Italy
[3] Anestesia & Rianimaz Osped Civile, I-57100 Livorno, Italy
[4] Anestesia & Rianimaz Osped Civile, I-55100 Lucca, Italy
[5] Osped Careggi, Unita Terapis Intens Pneumol, I-50134 Florence, Italy