About the Authors

Jessica Van Ziffle

Affiliation Department of Laboratory Medicine, University of California San Francisco, San Francisco, California, United States of America

Wendy Yang

Affiliation Department of Laboratory Medicine, University of California San Francisco, San Francisco, California, United States of America

Farid F. Chehab

chehabf@labmed2.ucsf.edu

Affiliation Department of Laboratory Medicine, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FFC. Performed the experiments: JVZ WY. Analyzed the data: JVZ WY FFC. Wrote the manuscript: FFC JVZ WY.