1. Department of Pediatric Dentistry
2. Department of Periodontology
3. Department of Oral Biology, Institute of Dentistry, University of Turku, Lemminkaisenk. 2, FIN-20520 Turku, Finland
4. Department of 4Cariology, University of Umea, Sweden
5. Department of Pediatrics
6. Department of Pediatrics, Cardiorespiratory Research Unit, University of Turku
7. Research and Development Centre, Social Insurance Institution, Turku, Finland