1. Department of Clinical Sciences, Cardiology, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
2. Department of Health, Medicine and Caring Sciences and Department of Cardiology, Linköping University, Linköping, Sweden
3. Department of Medicine, Karolinska Institutet, Cardiology, Karolinska University Hospital, Stockholm, Sweden
4. Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden