1. Department of Circulation and Medical Imaging; Faculty of Medicine; Norwegian University of Science and Technology; Trondheim Norway
2. Clinic of Cardiothoracic Surgery; St Olav's Hospital; Trondheim University Hospital; Trondheim Norway
3. CircuT (Circulation Research Group Trondheim); Trondheim Norway
4. Section of Vascular Investigations; Oslo University Hospital; Oslo Norway
5. Clinic of Anaesthesia and Intensive Care; St Olav's Hospital; Trondheim University Hospital; Trondheim Norway