Published on in Vol 10, No 5 (2022): May
                                    Preprints (earlier versions) of this paper are
                                    available at
                                    https://preprints.jmir.org/preprint/35422, first published
                                    .
                                

1 Machine Learning Group, School of Computing, University of Eastern Finland, Joensuu, Finland
2 Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
3 The Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
