1. Department of General Practice, Turku University and Turku University Hospital, Turku, Finland;
2. Salo Health Center, Salo, Finland;
3. Department of Psychiatry, Turku University and Turku University Hospital, Turku, Finland;
4. Department of Psychiatry, Hospital District of Satakunta, Pori, Finland;
5. Department of Biostatistics, Turku University and Turku University Hospital, Turku, Finland;
6. Central Satakunta Health Federation of Municipalities, Harjavalta, Finland