1. Department of General Practice and Primary Health Care, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
2. Folkhälsan Research Center, Helsinki, Finland
3. Department of Public Health Solutions, Chronic Disease Prevention Unit, National Institute for Health and Welfare, Helsinki, Finland
4. Hospital for Children and Adolescents, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
5. PEDEGO Research Unit, MRC Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
6. Finnish Centre of Excellence in Intersubjectivity and Interaction, University of Helsinki, Helsinki, Finland
7. Age Institute, Helsinki, Finland
8. Vaasa Central Hospital, Vaasa, Finland
9. Gerontology Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland