[1] AO S Orsola Malpighi, Bologna, Italy
[2] ASO Molinette S Giovanni Battista, Turin, Italy
[3] Osped Monaldi, Naples, Italy
[4] Policlin San Matteo, I-27100 Pavia, Italy
[5] AOU S Maria Misericordia, Udine, Italy
[6] AO Niguarda Ca Granda, Milan, Italy
[7] Osped Civile, I-37126 Verona, Italy
[8] AOU Padova, Padua, Italy
[9] AO San Camillo Forlanini, Rome, Italy
[10] Policlin Bari, Bari, Italy
[11] AO G Brotzu, Cagliari, Italy
[12] Novartis Farma, Origgio, VA, Italy
[13] AOU Senese, Siena, Italy