1. Max F. Perutz Laboratories, Center for Molecular Biology, University of Vienna Vienna Austria
2. Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna Vienna Austria
3. Department of Theoretical Chemistry, University of Vienna Vienna Austria
4. Institute of Laboratory Animal Science and Biomodels Austria, University of Veterinary Medicine Vienna Vienna Austria
5. Institute of Clinical Microbiology, Immunology and Hygiene, University Hospital Erlangen Erlangen Germany