1. Department of Biomolecular Systems Max Planck Institute of Colloids and Interfaces 14424 Potsdam Germany
2. Institute of Chemistry and Biochemistry Freie Universität Berlin Arnimallee 22 14195 Berlin Germany
3. Immunology Unit and Research Center for Emerging Infections and Zoonoses University of Veterinary Medicine Hannover Bünteweg 17 30559 Hannover Germany
4. Institute for Parasitology, Center for infection Medicine University of Veterinary Medicine Hannover Bünteweg 17 30559 Hannover Germany