1. National Center for Epilepsy Oslo University Hospital Oslo Norway
2. Faculty of Medicine University of Oslo Oslo Norway
3. Department of Neurology Oslo University Hospital Oslo Norway
4. Department of Nutrition University of Oslo Oslo Norway
5. Department of Hematology Oslo University Hospital Oslo Norway
6. Department of Research and Innovation Division of Clinical Neuroscience Oslo University Hospital and University of Oslo Oslo Norway
7. Hormone Laboratory Department of Medical Biochemistry and Biochemical Endocrinology and Metabolism Research Group Oslo University Hospital Oslo Norway