1. Heart and Lung Center, Helsinki University Hospital and University of Helsinki, Haartmaninkatu 4, 00290 Helsinki, Finland
2. Jorvi Hospital, Department of Internal Medicine, HUS Helsinki University Hospital, Espoo, Finland
3. University of Helsinki, Faculty of Medicine , Helsinki , Finland
4. Aalto University , Department of Industrial Engineering and Management, Espoo , Finland
5. Department of Neurology, Helsinki University Hospital, Helsinki, Finland
6. Faculty of Medicine, University of Helsinki , Clinicum, Finland
7. University of Eastern Finland , School of Medicine, Kuopio , Finland
8. Heart Center, Turku University Hospital and University of Turku, Turku, Finland
9. Heart Center, Kuopio University Hospital , Kuopio , Finland