1. Department of General Practice, University of Turku and Turku University Hospital, Turku, Finland;
2. Salo Health Center, Salo, Finland;
3. Department of Psychiatry, University of Turku and Turku University Hospital, Turku, Finland;
4. Department of Psychiatry, Hospital District of Satakunta, Pori, Finland;
5. Folkhälsan Research Center, Helsinki, Finland;
6. Unit of Primary Health Care, Kuopio University Hospital, Kuopio, Finland;
7. Central Satakunta Health Federation of Municipalities, Harjavalta, Finland