About the Authors

Abigail Eastburn

Affiliation University of California San Francisco, San Francisco, California, United States of America

Rebecca Scherzer

Affiliations University of California San Francisco, San Francisco, California, United States of America, Department of Veterans Affairs Medical Center, San Francisco, California, United States of America

Andrew R. Zolopa

Affiliation Stanford University, Stanford, California, United States of America

Constance Benson

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

Russell Tracy

Affiliation University of Vermont, Burlington, Vermont, United States of America

Tri Do

Affiliations University of California San Francisco, San Francisco, California, United States of America, Roche Molecular Diagnostics, Pleasanton, California, United States of America

Peter Bacchetti

Affiliation University of California San Francisco, San Francisco, California, United States of America

Michael Shlipak

Affiliations University of California San Francisco, San Francisco, California, United States of America, Department of Veterans Affairs Medical Center, San Francisco, California, United States of America

Carl Grunfeld

Affiliations University of California San Francisco, San Francisco, California, United States of America, Department of Veterans Affairs Medical Center, San Francisco, California, United States of America

Phyllis C. Tien

ptien@ucsf.edu

Affiliations University of California San Francisco, San Francisco, California, United States of America, Department of Veterans Affairs Medical Center, San Francisco, California, United States of America

Competing Interests

The authors have read the journal's policy and have the following conflicts: Tri Do reports he is an employee of Roche Molecular Diagnostics. This does not alter the authors' adherence to all the PLoS One policies on sharing data and materials. The other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PCT CG PB RS MS. Performed the experiments: PCT CG ARZ CB. Analyzed the data: RS PB PCT CG MS. Contributed reagents/materials/analysis tools: TD RT. Wrote the paper: AE PCT CG RS MS PB ARZ CB TD.