1. Steinbuch Centre for Computing, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
2. Department of Physics, Karlsruhe Institute of Technology, Karlsruhe, Germany
3. Jülich Supercomputing Center, Institute for Advanced Simulation, Jülich, Germany
4. Faculty of Biology, University of Duisburg-Essen, Duisburg, Germany