1. Schaller Research Groups, Department of Infectious Diseases, Virology, Heidelberg University, Heidelberg, Germany.
2. Department of Infectious Diseases, Virology, Heidelberg University, Heidelberg, Germany.
3. Center for Molecular Biology of Heidelberg University (ZMBH), Heidelberg, Germany.
4. German Center for Infection Research (DZIF), Heidelberg, Germany.
5. German Cancer Research Center (DKFZ), Heidelberg, Germany.
6. DKFZ-ZMBH Alliance, Heidelberg, Germany.