Ernst Moritz Arndt Universität Greifswald, Institute for Mathematics and Computer Science, 17487 Greifswald, Germany.|Ernst Moritz Arndt Universität Greifswald, Institute for Mathematics and Computer Science, 17487 Greifswald, Germany.|Joint Georgia Tech and Emory University Wallace H Coulter Department of Biomedical Engineering, Atlanta, GA 30332, USA and.|School of Computational Science and Engineering, Atlanta, GA 30332, USA, Joint Georgia Tech and Emory University Wallace H Coulter Department of Biomedical Engineering, Atlanta, GA 30332, USA and Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia.|Ernst Moritz Arndt Universität Greifswald, Institute for Mathematics and Computer Science, 17487 Greifswald, Germany.