1. Institute of Immunology, Friedrich-Loeffler-Institut, Federal Research Institute of Animal Health, Isle of Riems, Germany
2. Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute of Animal Health, Isle of Riems, Germany
3. Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute of Animal Health, Isle of Riems, Germany