1. Faculty of Medicine and Health Technology, Tampere University and Finnish Cardiovascular Research Center, Tampere, Finland;
2. Department of Internal Medicine, Vaasa Central Hospital, Vaasa, Finland;
3. Heart Center, Central Hospital of North Karelia, Joensuu, Finland;
4. Faculty of Social Sciences, Tampere University, Tampere, Finland;
5. Heart Center, Department of Cardiology, Tampere University Hospital, Tampere, Finland;
6. Department of Clinical Chemistry, Fimlab Laboratories, Tampere, Finland;
7. Department of Clinical Physiology, Tampere University Hospital, Tampere, Finland;
8. Department of Emergency Services, Seinäjoki Central Hospital, Seinäjoki, Finland;
9. National Institute for Health and Welfare, Helsinki, Finland;
10. Cardiovascular Research Foundation, Cardiovascular ICCC-Program, Research Institute Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain