1. Department Alcohol, Tobacco and Drugs, Norwegian Institute of Public Health (NIPH), Oslo, Norway
2. Centre for Evaluation of Public Health Measures, Norwegian Institute of Public Health (NIPH), Oslo, Norway
3. Hospital of Southern Norway, South-Eastern, Norway Regional Health Authority, Oslo, Norway
4. Ålesund Hospital, Møre og Romsdal Hospital Trust, Oslo, Norway
5. Oslo University Hospital, Oslo, Norway
6. St. Olav’s University Hospital, Oslo, Norway
7. Nordland Hospital Trust, Oslo, Norway
8. Haukeland University Hospital, Bergen Hospital Trust, Bergen, Norway
9. Norwegian Cancer Society, Oslo, Norway