1. DEFACTUM, Central Denmark Region, 8000 Aarhus, Denmark
2. Department of Public Health, Aarhus University, 8000 Aarhus, Denmark
3. Department of Clinical Social Medicine and Rehabilitation, Gødstrup Regional Hospital, 7400 Herning, Denmark
4. Social Sundhed (Social Health), 8000 Aarhus, Denmark
5. Department of Public Health, Copenhagen University, 1353 Copenhagen, Denmark