[1] Univ Florence, Florence, Italy
[2] Univ Brescia, Brescia, Italy
[3] Univ Padua, Treviso, Italy
[4] Univ Pisa, Pisa, Italy
[5] Univ Milan, Milan, Italy
[6] Univ Siena, Siena, Italy
[7] Univ Catania, Catania, Italy
[8] Univ Cagliari, Cagliari, Italy
[9] Univ Cambridge, Cambridge, England
[10] Univ Barcelona, Barcelona, Spain
[11] Univ Ancona, Ancona, Italy
[12] Univ Ferrara, Ferrara, Italy
[13] Univ Duesseldorf, Dusseldorf, Germany
[14] Univ Bari, Bari, Italy
[15] Univ Verona, Verona, Italy
[16] Lund Univ, Lund, Sweden
[17] Univ Genoa, Genoa, Italy
[18] Univ Sankt Gallen, St Gallen, Switzerland
[19] Univ Moscow, Moscow, Russia
[20] Univ Trento, Trento, Italy
[21] Univ Udine, Udine, Italy
[22] Univ Modena & Reggio Emilia, Modena, Italy
[23] Osped Niguarda Ca Granda, Milan, Italy
[24] Univ Turin, Turin, Italy
[25] Univ Paris, Paris, France