Affiliation: | 1. Department of Internal Medicine, Kuopio University Hospital and University of Eastern Finland, , Kuopio, Finland;2. Heart Center, Kuopio University Hospital and University of Eastern Finland, , Kuopio, Finland;3. Center of Preventive and Sports Medicine, Safarik University and Pasteur Hospital, , Kosice, Slovakia;4. Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital and University of Eastern Finland, , Kuopio, Finland |