1. Xlab, Center for Healthy Aging, Faculty of Health and Medical Sciences, University of Copenhagen 1 Department of Biomedical Sciences, , Copenhagen, Denmark
2. University of Southern Denmark 2 Department of Sports Science and Clinical Biomechanics, , Odense, Denmark
3. Institute of Sports Medicine Copenhagen, Bispebjerg Hospital and Center for Healthy Aging, Faculty of Health and Medical Sciences, University of Copenhagen 3 Department of Orthopedic Surgery, , Copenhagen, Denmark
4. Copenhagen University Hospital, Bispebjerg and Frederiksberg Hospital 4 Department of Geriatric and Palliative Medicine, , Copenhagen, Denmark
5. Clinical Research Centre, Medical University of Bialystok 5 , Bialystok, Poland
6. Faculty of Health and Health Sciences, University of Copenhagen 6 Department of Clinical Medicine, , Copenhagen, Denmark