About the Authors

Mandi H. Wong

Affiliations San Francisco Veterans Affairs Medical Center, San Francisco, California, United States of America, Northern California Institute for Research and Education, San Francisco, California, United States of America

Meshell D. Johnson

meshell.johnson@ucsf.edu

Affiliations San Francisco Veterans Affairs Medical Center, San Francisco, California, United States of America, Northern California Institute for Research and Education, San Francisco, California, United States of America, Department of 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: MDJ. Performed the experiments: MHW MDJ. Analyzed the data: MDJ. Wrote the paper: MDJ.