1. Department of Biosystems Science and Engineering, ETH Zurich, 4058 Basel, Switzerland.
2. Swiss Institute of Bioinformatics, ETH Zurich, 4058 Basel, Switzerland.
3. Competence Center for Systems Physiology and Metabolic Diseases, ETH Zurich, 8093 Zurich, Switzerland.
4. Institute of Evolutionary Biology and Environmental Studies, University of Zurich, 8057 Zurich, Switzerland.
5. Swiss Institute of Bioinformatics, University of Zurich, 8057 Zurich, Switzerland.
6. Department of Biology, Institute of Biochemistry, ETH Zurich, 8093 Zurich, Switzerland.
7. Department of Biology, Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland.
8. Department of Computer Science, ETH Zurich, 8092 Zurich, Switzerland.
9. Santa Fe Institute, Santa Fe, NM 87501, USA.