About the Authors

Bistra Iordanova

Affiliations Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America, Pittsburgh NMR Center for Biomedical Research, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America

T. Kevin Hitchens

Affiliation Pittsburgh NMR Center for Biomedical Research, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America

Clinton S. Robison

Affiliation Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America

Eric T. Ahrens

eta@ucsd.edu

Affiliation Department of Radiology, University of California San Diego, San Diego, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BI ETA. Performed the experiments: BI KH. Analyzed the data: BI ETA. Contributed reagents/materials/analysis tools: CSR. Wrote the paper: BI ETA.