Graphics, Capture and Massively Parallel Computing, Department of Computer Science, Technische Universitxc3xa4t Darmstadt, Rundeturmstraxc3x9fe 12, Darmstadt, 64283, Germany.|Computational Biology and Simulation, Department of Biology, Technische Universitxc3xa4t Darmstadt, Schnittspahnstraxc3x9fe 2, Darmstadt, 64287, Germany. keul@bio.tu-darmstadt.de.|Graphics, Capture and Massively Parallel Computing, Department of Computer Science, Technische Universitxc3xa4t Darmstadt, Rundeturmstraxc3x9fe 12, Darmstadt, 64283, Germany.|Computational Biology and Simulation, Department of Biology, Technische Universitxc3xa4t Darmstadt, Schnittspahnstraxc3x9fe 2, Darmstadt, 64287, Germany.