1. From the Institute of Innate Immunity, University Hospital Bonn, Germany (A.G., F.H., E.L.)
2. Department of Infectious Diseases and Immunology, University of Massachusetts Medical School, Worcester (E.L.)
3. German Center of Neurodegenerative Diseases (DZNE), Bonn, Germany (E.L.)
4. Centre of Molecular Inflammation Research, Norwegian University of Science and Technology, Trondheim, Norway (E.L.).