1. Department of Internal Medicine and Hematology, University of Copenhagen, DK 2900 Hellerup, Denmark
2. Department of Neurology, University of Copenhagen, DK 2900 Hellerup, Denmark
3. Department of Internal Medicine and Hematology, Clinical Neurophysiology, Gentofte Hospital, Faculty of Medicine, University of Copenhagen, DK 2900 Hellerup, Denmark
4. Department of Internal Medicine and Hematology, Hepatology, Rigshospitalet, DK 2100 Copenhagen Ø, Denmark