Jari A Laukkanen1, Setor K Kunutsor2. 1. Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland; Central Finland Healthcare District, Department of Internal Medicine, Jyväskylä, Finland; Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland. Electronic address: jari.a.laukkanen@jyu.fi. 2. National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol NHS Foundation Trust and University of Bristol, Bristol, UK; Translational Health Sciences, Bristol Medical School, Musculoskeletal Research Unit, University of Bristol, Southmead Hospital, Bristol, UK.