1. Hungarian Academy of Sciences; Research Centre for Natural Sciences; Institute of Organic Chemistry; Magyar tudósok krt. 2 1117 Budapest Hungary
2. Structural and Computational Biology Unit; Cell Biology and Biophysics Unit; European Molecular Biology Laboratory; Meyerhofstrasse 1 69117 Heidelberg Germany
3. Center of Infectious Diseases; Integrative Virology; University of Heidelberg; Im Neuenheimer Feld 324 69120 Heidelberg Germany