1. Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo 152-8550, Japan
2. Department of Mathematics and Computer Science, University of Southern Denmark, Odense 5230, Denmark
3. Institute for Theoretical Chemistry, University of Vienna, Wien 1090, Austria
4. Research Network Chemistry Meets Microbiology, University of Vienna, Wien 1090, Austria
5. Bioinformatics Group, Department of Computer Science, and Interdisciplinary Center for Bioinformatics, University of Leipzig, Leipzig D-04107, Germany
6. Max Planck Institute for Mathematics in the Sciences, Leipzig D-04103, Germany
7. Fraunhofer Institute for Cell Therapy and Immunology, Leipzig D-04103, Germany
8. Center for Non-coding RNA in Technology and Health, University of Copenhagen, Frederiksberg C 1870, Denmark
9. Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501, USA