1. Centre for Structural Systems Biology, Hamburg, Germany
2. Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
3. Biology Department, University of Hamburg, Hamburg, Germany
4. Institute of Physiology, Department of Neurophysiology, Biocenter, University of Würzburg, Würzburg, Germany
5. Research Centre for Infectious Diseases, School of Biological Sciences, University of Adelaide, Adelaide, Australia
6. European Molecular Biology Laboratory, Hamburg Unit, Hamburg, Germany
7. Burnet Institute, Melbourne, Victoria, Australia