1. Division of Medical Diagnostics; Department of Clinical Physiology; Region Jönköping County; Jönköping Sweden
2. Department of Natural Science and Biomedicine; School of Health Sciences; Jönköping University; Jönköping Sweden
3. Department of Surgery; Capio Lundby Hospital; Gothenburg Sweden
4. Clinical Physiology and Nuclearmedicine Unit; Department of Clinical Sciences; Lund University; Malmö Sweden
5. Division of Cardiovascular Medicine; Department of Medical and Health Science; Faculty of Health Science; Linköping University; Linköping Sweden
6. Department of Cardiovascular Surgery; Linköping University Hospital; Linköping Sweden