1. Alcohol Treatment Centre, Lausanne University Hospital CHUV, Lausanne, Switzerland
2. Addiction Switzerland, Research Department, Lausanne, Switzerland
3. Centre for Addiction and Mental Health, Institute for Mental Health Policy Research, Toronto, Ontario, Canada
4. University of the West of England, Faculty of Health and Applied Science, Bristol, United Kingdom
5. Department of Ambulatory Care and Community Medicine, Lausanne University Hospital, Lausanne, Switzerland
6. Institute of Social and Preventive Medicine, and Epidemiology, Biostatistics and Preventive Institute, University of Zurich, Zurich, Switzerland