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