1. Clinic for Zoo Animals, Exotic Pets and Wildlife, Vetsuisse FacultyUniversity of Zurich Zurich Switzerland
2. Florisbad Quaternary Research DepartmentNational Museum Bloemfontein South Africa
3. Centre for Environmental ManagementUniversity of the Free State Bloemfontein South Africa
4. Trompeterhaus Baruth/Mark Germany
5. Ruminant Nutrition, Department of Animal SciencesUniversity of Goettingen Goettingen Germany