1. Emergency Clinic, Turku University Hospital, Savitehtaankatu 1, 20540 Turku, Finland
2. Heart Centre, Turku University Hospital, 20521 Turku, Finland
3. University of Turku, Turku FI-20014, Finland
4. Department of Medicine, University of Turku, FI-20521, Finland
5. Division of Medicine, Turku University Hospital, Turku FI-20521, Finland