Affiliation: | aNorwegian Veterinary Institute, Oslo, Norway;bNational Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA;cLaboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA;dSisomar AS, Trollbukta, Straumen, Norway |