1. Department of Systems Biology, Harvard Medical School, Boston, MA, USA
2. Department of Cell Biology, Harvard Medical School, Boston, MA, USA
3. cBio Center, Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, MA, USA
4. Center for Bioinformatics, University of Tübingen, Tübingen, Germany
5. Applied Bioinformatics, Department of Computer Science, Tübingen, Germany
6. Computer Science and Artificial Intelligence Laboratory, MIT, Cambridge, MA, USA
7. Computational Biology Center, Memorial Sloan Kettering Cancer Center, New York, NY, USA
8. Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA
9. Department of Informatics, Technische Universität München, Garching, Germany