About the Authors

Rebecca T. Brown

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

Leah Goodman

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

David Guzman

Affiliations Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, California, United States of America, Center for Vulnerable Populations at Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, California, United States of America

Lina Tieu

Affiliations Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, California, United States of America, Center for Vulnerable Populations at Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, California, United States of America

Claudia Ponath

Affiliations Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, California, United States of America, Center for Vulnerable Populations at Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, California, United States of America

Margot B. Kushel

Margot.Kushel@ucsf.edu

Affiliations Division of General Internal Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, California, United States of America, Center for Vulnerable Populations at Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have read the journal's policy and have the following competing interests: R.T. Brown is a member of the board of directors of Hearth, Inc., a non-profit organization dedicated to ending homelessness among the elderly. M.B. Kushel is a member of the leadership board of Everyone Home, which seeks to end homelessness in Alameda County, CA. No other conflicts of interest were reported.

Author Contributions

Conceived and designed the experiments: RB LG DG MK. Performed the experiments: DG CP MK. Analyzed the data: RB LG DG LT CP MK. Contributed reagents/materials/analysis tools: DG. Wrote the paper: RB LG MK. Critical revision of the manuscript for important intellectual content: RB LG DG LT CP MK.