1. Chair of Biomolecular Sensors, Center for Integrated Protein Science Munich at the Institute of Neuroscience, Technische Universität München, 80802 Munich, Germany
2. Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138
3. Institute for Neuroscience, University of Texas at Austin, Austin, TX 78712
4. Department of Molecular, Cell and Developmental Biology, University of California, Santa Cruz, Santa Cruz, CA 95064
5. Institute for Advanced Study, Technische Universität München, 85748 Garching bei München, Germany