1. Tumor Immunology Lab, Hematology and Oncology, Medical University Innsbruck and Tyrolean Cancer Research Institute, Innsbruck, Austria
2. Pathology Unit, German Primate Center, Leibniz Institute for Primate Research, Goettingen, Germany
3. Unit of Infection Models, German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Goettingen, Germany
4. Department of Veterinary Medicine, The University of Cambridge, Cambridge, UK