About the Authors

Hari Singhal

Affiliations Department of Biomedical Engineering, The Johns Hopkins University and the Sidney Kimmel Comprehensive Center at Johns Hopkins, Baltimore, Maryland, United States of America, Department of Oncology, The Johns Hopkins University and the Sidney Kimmel Comprehensive Center at Johns Hopkins, Baltimore, Maryland, United States of America

Yunzhao R. Ren

Affiliation Department of Oncology, The Johns Hopkins University and the Sidney Kimmel Comprehensive Center at Johns Hopkins, Baltimore, Maryland, United States of America

Scott E. Kern

sk@jhmi.edu

Affiliation Department of Oncology, The Johns Hopkins University and the Sidney Kimmel Comprehensive Center at Johns Hopkins, Baltimore, Maryland, United States of America

Competing Interests

SEK is governed by the Conflict of Interest policies of the Johns Hopkins University School of Medicine. The author's disclosure derives from rights he may have regarding intellectual property concerning electrophoretic conductive media and as an owner of Faster Better Media LLC, to which these rights have been assigned. Certain electrophoretic media are covered by U.S. Pat. 7,163,610. This conflict does not alter the authors' adherence to all PLoS One policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SK. Performed the experiments: HS YRR. Analyzed the data: SK. Wrote the paper: HS SK.