1. Department of Research, Innlandet Hospital Trust, 2381 Brumunddal, Norway
2. Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, 7491 Trondheim, Norway
3. Department of Medical Biochemistry, Oslo University Hospital, 0424 Oslo, Norway
4. Department of Psychology, Faculty of Social and Educational Sciences, Norwegian University of Science and Technology, 7491 Trondheim, Norway