1. Institute of Animal Ecology University of Veterinary Medicine Hannover, Foundation Hannover Germany
2. Department of Biological Sciences Northern Illinois University DeKalb Illinois USA
3. Gravitational Biology Institute of Aerospace Medicine German Aerospace Center (DLR) Cologne Germany
4. Department of Biochemistry & Genetics La Trobe Institute for Molecular Science La Trobe University Melbourne Victoria Australia
5. Research Centre for Molecular Cancer Prevention La Trobe University Melbourne Victoria Australia
6. American Museum of Natural History New York New York USA