About the Authors

Markus J Herrgård

Affiliation Department of Bioengineering, University of California San Diego, La Jolla, California, United States of America

Stephen S Fong

¤ Current address: Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, Virginia, United States of America

Affiliation Department of Bioengineering, University of California San Diego, La Jolla, California, United States of America

Bernhard Ø Palsson

To whom correspondence should be addressed. E-mail: palsson@ucsd.edu

Affiliation Department of Bioengineering, University of California San Diego, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MJH, SSF, and BØP conceived and designed the experiments. MJH and SSF performed the experiments. MJH and SSF analyzed the data. SSF contributed reagents/materials/analysis tools. MJH and BØP wrote the paper.