About the Authors

Huan Qiao

huan.qiao@vanderbilt.edu

Affiliation Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America

James M. May

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HQ. Performed the experiments: HQ. Analyzed the data: HQ. Contributed reagents/materials/analysis tools: HQ JM. Wrote the paper: HQ.