1. Department of Neurology; University Hospital; Region of Östergötland; Linköping Sweden
2. Department of Clinical and Experimental Medicine; Linköping University; Linköping Sweden
3. Department of Neurology; University Hospital Örebro; Örebro Sweden
4. Department of Internal Medicine; Linköping University; Norrköping Sweden
5. Department of Medical and Health Sciences; Linköping University; Norrköping Sweden
6. Department of Clinical Neurophysiology; University Hospital; Region of Östergötland; Linköping Sweden
7. Department of Clinical Immunology; University Hospital; Region of Östergötland; Linköping Sweden