1. Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark
2. Infectious Diseases Unit, Department of Medicine, Herlev−Gentofte Hospital, Herlev Ringvej 75, 2730 Herlev, Denmark
3. Helgeland Hospital Trust, Prestmarkveien 1, 8800 Sandnessjøen, Norway