1. Frankfurt Institute for Advanced Studies, Goethe University, Frankfurt, Germanyhttp://fias.uni-frankfurt.de/~wolfrum/wolfrum@fias.uni-frankfurt.de
2. Frankfurt Institute for Advanced Studies, Goethe University, Frankfurt, Germanywolff@fias.uni-frankfurt.de
3. Frankfurt Institute for Advanced Studies, Goethe University, Frankfurt, GermanyGatsby Computational Neuroscience Unit, University College London, UKlucke@gatsby.ucl.ac.uk
4. Frankfurt Institute for Advanced Studies, Goethe University, Frankfurt, Germanymalsburg@fias.uni-frankfurt.de