1The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) L’Aquila
2The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Torino
3The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Cuneo
4The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Napoli
5The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Bergamo
6The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Genova
7The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Varese
8The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) San Donato Milanese
9The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Udine
10The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Bologna
11The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Milano
12The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Parma
13The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Lecce
14The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Pisa
15The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Roma
16The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Brescia
17The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Vicenza
18The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Bari
19The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Verona
20The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Catanzaro
21The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Chieti
22The Italian Group of Research for Outcome in Cardiac Surgery (GIROC) Maastricht