1. Tarja A Linjakumpu MD PhD, Specialist in General Practice, Trainee in Geriatrics, Department of Psychiatry, Oulu University; Department of Psychiatry, Oulu University Hospital, Oulu, Finland
2. Sirpa A Hartikainen MD PhD, Professor, Department of Public Health and General Practice, Division of Geriatrics, Kuopio University; Municipal Hospitals of Kuopio, Finland
3. Timo J Klaukka MD PhD, Docent, Research and Development Centre of the Social Insurance Institution, Helsinki, Finland
4. Hannu J Koponen MD PhD, Professor, Department of Psychiatry, Oulu University; Department of Psychiatry, Lapland Hospital District, Rovaniemi, Finland
5. Helinä H Hakko PhD, Statistician, Department of Psychiatry, Oulu University Hospital
6. Kaisa M Viilo BSc, Statistician, Department of Psychiatry, Oulu University
7. Marianne Haapea MSc, Statistician, Department of Psychiatry, Oulu University
8. Sirkka-Liisa Kivelä MD PhD, Professor, Institute of Clinical Medicine, General Practice, Turku University; Unit of General Practice, Turku University Hospital; Satakunta Central Hospital, Pori, Finland
9. Raimo E Isoaho MD PhD, Professor, Institute of Clinical Medicine, General Practice, Turku University; Härkätie Health Center, Lieto; Health Center of Pori, Finland