1. 1Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
2. 2Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
3. 3GeneReach Biotechnology Corporation, Taichung, Taiwan, ROC
4. 4Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany