1. Department of Applied Physics, University of Eastern Finland, Kuopio;
2. Department of Clinical Neurophysiology, Kuopio University Hospital, Kuopio, Finland;
3. Department of Equine Sciences, Utrecht University, Utrecht, the Netherlands;
4. Department of Medical Technology, Institute of Biomedicine, University of Oulu, Oulu;
5. Department of Diagnostic Radiology, Oulu University Hospital, Oulu;
6. School of Medicine, Institute of Biomedicine, Anatomy, University of Eastern Finland, Kuopio;
7. Cancer Center, Kuopio University Hospital, Kuopio, Finland