1. Psychiatric Research Unit, Psychiatry Region Zealand, Slagelse, Denmark
2. Department of Public Health, Research Unit for General Practice, University of Southern Denmark, Odense, Denmark
3. Department of Public Health, Research Unit for General Practice, Aarhus University, Aarhus, Denmark
4. Department of Public Health, Aarhus University, Aarhus, Denmark
5. Mental Health Services, Psychiatry East, Psychiatry Region Zealand, Slagelse, Denmark
6. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark