1. Molecular Biomedicine, Institute of Molecular Health Sciences, Department of Biology, ETH Zurich, Zurich, Switzerland
2. Center of Medical Immunology, Institute for Research in Biomedicine, Università della Svizzera Italiana, Bellinzona, Switzerland
3. Department of Medicine, University of California, San Francisco, San Francisco, CA
4. Pathology Institute, Zurich, Switzerland
5. Institute of Microbiology, Department of Biology, ETH Zurich, Zurich, Switzerland