Department of Communication Theory, KTH Royal Institute of Technology, Stockholm, Sweden, Department of Mathematics, Oregon State University, Corvallis, OR, USA, Systems Biology program, KTH Royal Institute of Technology, Sweden, Aalto University, Esbo, Finland, Department of Computational Biology, KTH Royal Institute of Technology, Stockholm, Sweden, Department of Mathematics and Statistics, University of Helsinki, Helsinki, Finland, Department of Physics, Tsinghua University, Beijing, China, Department of Signal Processing and Department of Information and Computer Science, Aalto University, Esbo, Finland Department of Communication Theory, KTH Royal Institute of Technology, Stockholm, Sweden, Department of Mathematics, Oregon State University, Corvallis, OR, USA, Systems Biology program, KTH Royal Institute of Technology, Sweden, Aalto University, Esbo, Finland, Department of Computational Biology, KTH Royal Institute of Technology, Stockholm, Sweden, Department of Mathematics and Statistics, University of Helsinki, Helsinki, Finland, Department of Physics, Tsinghua University, Beijing, China, Department of Signal Processing and Department of Information and Computer Science, Aalto University, Esbo, Finland.