1. Institute for Virology, FB10-Veterinary Medicine, Justus-Liebig University, Giessen, Germany
2. Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna, Austria
3. Public Health Agency of Sweden, Solna, Sweden
4. Department of Laboratory Medicine, Karolinska Institutet, Solna, Sweden
5. Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
6. German Centre for Infection Research (DZIF), Partner Site Giessen, Giessen, Germany