About the Authors

H. Christina Fan

Affiliation Department of Bioengineering, Stanford University and Howard Hughes Medical Institute, Stanford, California, United States of America

Stephen R. Quake

quake@stanford.edu

Affiliation Department of Bioengineering, Stanford University and Howard Hughes Medical Institute, Stanford, California, United States of America

Competing Interests

Stephen Quake is a founder and consultant of Fluidigm Corporation and Helicos Biosciences Corporation, and a consultant of Artemis Health. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Analyzed the data: HCF SRQ. Wrote the paper: HCF SRQ.