Affiliation: | 1.Department of Neurology,Haukeland University Hospital,Bergen,Norway;2.Department of Microbiology and Infection Control,University Hospital of North Norway,Troms?,Norway;3.Department of Pathology,Haukeland University Hospital,Bergen,Norway;4.Div. Molecular Diagnostics, Clinical & Transplantation Virology,, Institute for Medical Microbiology,Basel,Switzerland |