1. Clinical Services, St. Olavs Hospital Trondheim University Hospital Trondheim Norway
2. Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences Norwegian University of Science and Technology Trondheim Norway
3. Department of Neuromedicine and Movement Science Faculty of Medicine and Health Sciences Norwegian University of Science and Technology Trondheim Norway
4. Neuropediatric Unit Department of Women’s and Children’s Health Karolinska Institutet Stockholm Sweden