Study procedure and assessments
psychiatric, substance abuse
DISEASES
At baseline, data on demographics, comorbidities, including psychiatric diseases and substance abuse, and consumption of alcohol and nicotine were collected via face-to-face interview and a short physical examination was performed. Data on consumption of alcohol, nicotine, and other drugs were also assessed at week 12. Alcohol consumption was assessed with a standardized questionnaire by asking for the number of standard glasses of each type of alcohol (i.e., wine, beer, and spirits) consumed per week on average, analogous to the timeline followback method (