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