1. Department of Medical and Health Sciences, Division of Health Care Analysis, Linköping University, Sweden
2. Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
3. Department of Acute and Internal Medicine, NU (NÄL-Uddevalla) Hospital Group, Sweden
4. Department of Cardiology, NU (NÄL-Uddevalla) Hospital Group, Sweden