1. Pori Health and Social Services, Pori, Finland
2. School of Medicine, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
3. Fazer Lab, Oy Karl Fazer Ab, Helsinki, Finland
4. Compass Group FS Finland Oy, Helsinki, Finland
5. Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland
6. The UKK Institute for Health Promotion Research, Tampere, Finland
7. Department of Medicine, Endocrinology and Clinical Nutrition, Kuopio University Hospital, Kuopio, Finland