1. Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany.
2. Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany.
3. Institute for Plant Protection in Horticulture and Forests, Julius Kühn-Institute, Federal Research Centre for Cultivated Plants, Vertebrate Research, Münster, Germany.
4. Institute of Epidemiology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany.