1. School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama-shi, Kanagawa 226-8501, Japan
2. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
3. Center for Environmental Health Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
4. The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, United States
5. Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States