1. Department of General Practice, Institute of Clinical Medicine University of Turku and Turku University Hospital Turku Finland
2. KESSOTE Central Satakunta Health Federation of Municipalities Harjavalta Finland
3. THL Finnish Institute for Health and Welfare Helsinki Finland
4. Research Centre for Child Psychiatry University of Turku Turku Finland
5. Academic Primary Health Care Centre Region Stockholm and Karolinska Institute Stockholm Sweden