Gianni Testino1, Silvia Leone2. 1. Centro Alcologico Regionale - Regione Liguria, IRCCS AOU San Martino-IST, Genova, Italy gianni.testino@hsanmartino.it. 2. Department of Internal Medicine, University of Genova, Piazzale R. Benzi 10, 16132 Genova, Italy.