1 Unit of Addiction and Hepatology, Alcohological Regional Center, ASL3 Liguria, IRCCS San Martino University Hospital, University of Genoa, Genoa, Italy - gianni.testino@asl3.liguria.it.
2 Mutual-Self-Help Study Center, Community Programs and Caregiver Training, ASL3 Liguria, Genoa, Italy - gianni.testino@asl3.liguria.it.
3 Unit of Addiction and Hepatology, Alcohological Regional Center, ASL3 Liguria, IRCCS San Martino University Hospital, University of Genoa, Genoa, Italy.
4 Mutual-Self-Help Study Center, Community Programs and Caregiver Training, ASL3 Liguria, Genoa, Italy.
5 Unit of Gastroenterology, Molinette Hospital, Città della Salute e della Scienza, Turin, Italy.