1. Gerontology Research Center and Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
2. Folkhälsan Research Center, Helsinki, Finland
3. Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland
4. Population Health Unit, Finnish Institute for Health and Welfare, Helsinki, Finland
5. Department of General Practice and Primary Health Care, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
6. Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland
7. Department of Obstetrics and Gynecology and Human Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
8. Singapore Institute for Clinical Sciences (SICS), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore