About the Authors

Chiara Stringari

Affiliation Laboratory of Fluorescence Dynamics, Biomedical Engineering Department, University of California Irvine, Irvine, California, United States of America

Jamison L. Nourse

Affiliation Department of Neurology, Sue & Bill Gross Stem Cell Research Center, University of California Irvine, Irvine, California, United States of America

Lisa A. Flanagan

Affiliation Department of Neurology, Sue & Bill Gross Stem Cell Research Center, University of California Irvine, Irvine, California, United States of America

Enrico Gratton

egratton22@yahoo.com

Affiliation Laboratory of Fluorescence Dynamics, Biomedical Engineering Department, University of California Irvine, Irvine, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CS EG. Performed the experiments: CS. Analyzed the data: CS. Contributed reagents/materials/analysis tools: JN LF. Wrote the paper: CS.