1. Institute of Theoretical Physics, Technische Universität Berlin, Hardenbergstr. 36, 10623 Berlin, Germany
2. Institute of Mathematics, Technische Universität Berlin, Strasse des 17. Juni 136, 10623 Berlin, Germany
3. Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, 52428 Jülich, Germany
4. Institute of Mathematics and Centre for Medical and Biotechnical Research, NAS of Ukraine, Tereshchenkivska St. 3, 01601 Kyiv, Ukraine
5. Bernstein Center for Computational Neuroscience Berlin, Humboldt Universität, Philippstraße 13, 10115 Berlin, Germany
6. Potsdam Institute for Climate Impact Research, Telegrafenberg A 31, 14473 Potsdam, Germany