1. Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland
2. Sensing Solutions at VTT – Technical Research Centre of Finland, Oulu, Finland
3. Research Unit of Biomedicine, Medical Microbiology and Immunology, Faculty of Medicine, University of Oulu, Oulu, Finland
4. Division of Intensive Care, Department of Anesthesiology, Oulu University Hospital, Oulu, Finland
5. Research Group of Surgery, Anesthesiology and Intensive Care, Medical Research Center Oulu, Oulu, Finland