1. Institute of Cell Biochemistry, Hannover Medical School, Hannover, Germany
2. Institute of Molecular Biology, Hannover Medical School, Hannover, Germany
3. University of Veterinary Medicine Hannover, Department of Pathology, Hannover, Germany
4. Institute of Molecular Medicine, Goethe University Frankfurt am Main, Frankfurt am Main, Germany
5. Institute of Immunology, Hannover Medical School, Hannover, Germany