1. Department of Neurology, Møre and Romsdal Health Trust, Molde hospital, Molde and Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway
2. Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim and Stroke Unit, Department of Internal Medicine, St Olavs hospital, University Hospital of Trondheim, Norway
3. Department of Neurology, Haukeland University Hospital and Department of Biological and Medical Psychology, University of Bergen, Norway
4. Department of psychiatry, Møre and Romsdal Health Trust, Molde hospital, Molde, Norway
5. Department of Neurology, Møre and Romsdal Health Trust, Molde hospital, Molde and Unit for Applied Clinical Research, Norwegian University of Science and Technology, Trondheim, Norway
6. Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim and Department of neurology, St Olavs hospital, University Hospital of Trondheim, Norway
7. Department of Psychiatry, Møre og Romsdal Health Trust and Department of Mental Health, Norwegian University of Science and Technology, Trondheim, Norway
8. Department of neurology, Haukeland University Hospital, Centre for age-related medicine, Stavanger University Hospital, Institute of Clinical Medicine, University of Bergen, Norway