1. Heart Centre, Turku University Hospital and University of Turku, Finland
2. Department of Industrial Engineering and Management, Aalto University, Espoo, Finland
3. University of Eastern Finland, Kuopio, Finland
4. University of Helsinki, Finland
5. Neurology, Helsinki University Hospital, and University of Helsinki, Finland
6. Heart Centre, Kuopio University Hospital, Kuopio, Finland
7. Heart and Lung Centre, Helsinki University Hospital and University of Helsinki, Finland
8. Jorvi Hospital, Department of Internal Medicine, Helsinki and Uusimaa Hospital District, Espoo, Finland