1. Department of Biology II, Center for Integrated Protein Science Munich (CIPSM), Ludwig Maximilians University Munich Großhaderner Street 2 82152 Planegg‐Martinsried Germany
2. Department of Structural and Functional Biology, University of Insubria Via da Giussano 12 21052 Busto Arsizio (VA) Italy
3. Department of Neuroimmunology, Max Planck Institute of Neurobiology Am Klopferspitz 18 82152 Martinsried Germany