About the Authors

Lili Jiang

Affiliations Center for Theoretical Biology and School of Physics, Peking University, Beijing, China, IBM T. J. Watson Research Center, Yorktown Heights, New York, United States of America

Qi Ouyang

Affiliations Center for Theoretical Biology and School of Physics, Peking University, Beijing, China, The State Key Laboratory for Artificial Microstructures and Mesoscopic Physics, School of Physics, Peking University, Beijing, China

Yuhai Tu

yuhai@us.ibm.com

Affiliations Center for Theoretical Biology and School of Physics, Peking University, Beijing, China, IBM T. J. Watson Research Center, Yorktown Heights, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QO YT. Performed the experiments: LJ YT. Analyzed the data: LJ QO YT. Wrote the paper: LJ QO YT.