1. Department of Computer Science, Norwegian University of Science and Technology, Trondheim, Norway
2. Faculty of Nursing and Health Sciences, Nord University, Levanger, Norway
3. Department of Medicine, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway
4. Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
5. Clinic of Anaesthesia and Intensive Care, St. Olavs hospital, Trondheim University Hospital, Trondheim, Norway