Affiliation: | aInstitute of Molecular Biology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany;bInstitute of Infectology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany;cMedical Virology Section, Laboratory of Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA |