1. Department of Immunobiology; Biomedical Primate Research Centre; Rijswijk The Netherlands
2. Department Neuroscience; University Medical Center, University of Groningen; Groningen The Netherlands
3. Department of Cell Biology and Immunology; Free University Medical Center; Amsterdam The Netherlands
4. Department of Anatomy and Neuroscience; Free University Medical Center; Amsterdam The Netherlands
5. Division of Clinical Neuroscience; University of Nottingham School of Medicine; Nottingham United Kingdom