Affiliation: | a Department of Applied Physics, Chalmers University of Technology, 412 96 Göteborg, Swedenb Fraunhofer-Chalmers Research Centre for Applied Mathematics, Chalmers Science Park, Göteborg, Swedenc Department of Mathematical Sciences, Chalmers University of Technology, 412 96 Göteborg, Swedend Department of Cell and Molecular Biology, University of Gothenburg, Göteborg, Sweden |