1. Department of Health; National Institute for Health and Welfare; Helsinki Finland
2. Pediatric Clinics; Tampere University Hospital; Tampere Finland
3. Psychology; Faculty of Social Sciences; University of Tampere; Tampere Finland
4. Department of Social Sciences; University of Eastern Finland; Kuopio Finland
5. Physiology; University of Helsinki; Helsinki Finland
6. Psychiatry; University of Helsinki and Helsinki University Hospital; Helsinki Finland
7. Child Psychiatry; University of Helsinki and Helsinki University Hospital; Helsinki Finland