1 Research Unit of Biomedicine and Internal Medicine, Medical Research Center Oulu, University of Oulu, Oulu, Finland. Electronic address: [email protected].
2 Research Unit of Biomedicine and Internal Medicine, Medical Research Center Oulu, University of Oulu, Oulu, Finland; Department of Cardiology, Oulu University Hospital, Oulu, Finland.
3 Heart and Lung Center, Helsinki University Hospital, Helsinki, Finland.
4 Heart Center, Turku University Hospital, Turku, Finland.
5 Department of Cardiovascular Surgery, Centro Cardiologico Monzino IRCCS, Milan, Italy.