1. Department of Clinical Medicine University of Bergen BergenNorway
2. Department of Neurology Haukeland University Hospital BergenNorway
3. Department of Clinical Pharmacology St. Olav University Hospital Trondheim Norway
4. Department of Clinical and Molecular Medicine Norwegian University of Science and Technology TrondheimNorway
5. Department of Global Public Health and Primary Care University of Bergen BergenNorway
6. Department of Health Registries Norwegian Institute of Public Health Bergen Norway