About the Authors

Chieh-Chun Chen

Affiliation Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, United States of America

Shu Xiao

Affiliation Department of Bioengineering, University of California San Diego, La Jolla, California, United States of America

Dan Xie

Affiliation Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, United States of America

Xiaoyi Cao

Affiliation Department of Bioengineering, University of California San Diego, La Jolla, California, United States of America

Chun-Xiao Song

Affiliation Department of Chemistry, University of Chicago, Chicago, Illinois, United States of America

Ting Wang

Affiliation Department of Genetics, Washington University in St. Louis, St. Louis, Missouri, United States of America

Chuan He

Affiliation Department of Chemistry, University of Chicago, Chicago, Illinois, United States of America

Sheng Zhong

szhong@ucsd.edu

Affiliations Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, United States of America, Department of Bioengineering, University of California San Diego, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CCC DX SZ. Performed the experiments: SX CXS TW CH. Analyzed the data: CCC. Contributed reagents/materials/analysis tools: CCC XC. Wrote the paper: CCC SZ.