1. Tartu University Hospital, Puusepa 1a, 50406 Tartu, Estonia
2. Institute of Family Medicine and Public Health, Faculty of Medicine, University of Tartu, Ravila 19, 50411 Tartu, Estonia
3. Institute of Exercise Biology, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
4. Institute of Technology, Estonian University of Life Sciences, Kreutzwaldi 56, 51014 Tartu, Estonia