About the Authors

Fei Zhu

Affiliation Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, Maryland, United States of America

Pu Wang

Affiliation Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, Maryland, United States of America

Norman H. Lee

Affiliation Department of Pharmacology and Physiology, The George Washington University Medical Center, Washington, D.C., United States of America

Mary B. Goldring

Affiliation Hospital for Special Surgery, New York, New York, United States of America

Konstantinos Konstantopoulos

kkonsta1@jhu.edu

Affiliations Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, Maryland, United States of America, Johns Hopkins Physical Sciences in Oncology Center and Institute for NanoBioTechnology, The Johns Hopkins University, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FZ KK. Performed the experiments: FZ PW. Analyzed the data: FZ PW KK. Contributed reagents/materials/analysis tools: MBG NHL. Wrote the paper: FZ KK.